IGNOU BSC MTE 9 Real Analysis Solved Assignment ENGLISH

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MTE 9: Real Analysis

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Title Name IGNOU BSC MTE 9 Real Analysis Solved Assignment ENGLISH
Type Soft Copy (E-Assignment) .pdf
University IGNOU
Degree BACHELOR DEGREE PROGRAMMES
Course Code BSC
Course Name Bachelor in Science
Subject Code MTE 9
Subject Name Real Analysis
Year 2026
Session -
Language ENGLISH
Assignment Code MTE 9/Assignment-1/2026
Product Description Assignment of BSC (Bachelor in Science) 2026. Latest MTE 09 2026 Solved Assignment Solutions
Format Ready-to-Print PDF (.soft copy)

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MTE 09 (January 2026 - July 2026) - ENGLISH

Assignment

Course Code: MTE-09
Assignment Code: MTE-09/TMA/2026
Maximum Marks: 100


1. Are the following statements true or false? Give reasons for your answer. 

a) Complement of the open interval ]0, 1] is an open set.

b) Every bounded sequences is not convergent.
c) The function equation defined by equation is uniformly continuous.

d) If the first derivative of a function at a point vanishes, then it has an extreme value at that point.

e) The function equation defined by equation is not integrable.

2. a) Determine the points of discontinuity of the function f and the nature of discontinuity at each of those points:

equation

Also check whether the function f is derivable at x = 1. 

b)      Find the following limit


equation

c)      Check whether the intervals ]5,9] and [6,12[ are equivalent or not.

3. a)      Prove that a strictly decreasing function is always one-one.

b)      Write the inequality equation in the modulus form.

c)      Verify Bozano-Weierstrass Theorem for the following sets:

i)      Set of non-negative integers.

ii)     Interval equation
d)      Check whether the limit equation exists or not?

4. a)      Test the following series for convergence,

  (i)    equation

                (ii)   equation

        b)      Show that equation is conditionally convergent.

5.      a)      Determine the local minimum and local maximum values of the function f defined by equation.

        b)      Show that equation, the lagrange's form of remainder in the Maclaurin series expansion of e4x, tends to zero as equation. Hence obtain the Maclaurin's infinite expansion for e4x.

6.      a)      If the partition P2 is a refinement of the partition P1 of [a,b], then equation and equation. Verify this result for the function equation defined over the interval equation and the partitions equation and equation.

        b)      Evaluate: equation.

7.      a)      Use Cauchy's mean value theorem to prove that:

equation

        b)      Find a and b such that equation exists.

        c)      Show that equation is an algebraic number.

8.      a)      Using the principle of mathematical induction, show that

equation

        b)      Show that the equation equation has a real root other than equation.

        c)      Check whether the set of integers is countable or not.

9.      a)      Using Weiestrass M-test, show that the following series converges uniformly.

equation

b)      Use the Fundamental Theorem of Integral Calculus to evaluate the integral

equation

10.     a)      Apply Bonnet Mean Value Theorem for integrals to show that

equation

        b)      Show that the function equation defined by equation has an inverse by applying the inverse function theorem. Find its inverse also.

        c)      Verify the second mean value theorem for the function equation and equation in the interval equation.


MTE 9 2025 - English

ASSIGNMENT

Course Code: MTE-09

Assignment Code: MTE-09/TMA/2025

Maximum When: 100

1. Are the following statements true or false? Give reasons for tour answers.

a) -2 is a limit point of the interval 1-3,2].

b) The series equation is divergent.

The function, f(x)=sin² x is uniformly continuous in the interval [0, π).

d) Every continuous function is differentiable.

e) The function f defined on R byequation 

is irrational Is integrable in the interval [2,3].

2) Prove that the union of two closed sets is a closed set. Give an example to show that union of an infinite number of closed sets need not be a closed set.

b) Examine the function f : R→R defined by

equation

for continuity on R. If it is not continuous at any point of R, find the nature of discontinuity there. (x+1)x+0 9-59-1

Find lim equation

 

3) Using the principle of mathematical induction, prove that  equation is natural numbuer.equation

 

b) Show that there is no real number, & for which the equation,equation  has two distinct roots in the interval [2,3].

c) Let :[-3,3]→ R be defined by equationwhere [x] denotes the greatest integer ≤x. Show that this function is integrable.

4. a) Prove that the function equation defined by

equationl is discontinuous, equation, using the sequential definition of continuity.

b) Examine the convergence of the following series

(i)equation

(ii) equation

c) Prove that the set of integers is countable.

5. Prove that

equation

b) Prove that the sequence equation is convergent where (equationn) is a bounded sequence.

c) Prove that continuous function of a continuous function is continuous.

6.Examine the function,equation for extreme values.

b) Show that the series  equation is uniformly convergent in equation for any a>0.

c) Give an example of an infinite set with finite number of limit points, with proper justification.

7. a) Show that

(i) equation

(ii)equation

b) For the function,equation defined over [1,5], verify: equation where P is the partition which divides [1.5] into four equal intervals. 

c) Let (a) be a sequence defined asequation show that (an) converges 

8.a) Using the sequential definition of the continuity, prove that the function equationdefined

by:equation is discontinuous at each real number.

b) Show that on the curve,equation the chord joining the points whose abscissa are x=1 and x=2. is parallel to the tangent at the whose abscissa isequation

c) Give an example of a series ∑equation such that  ∑equation is not convergent but theequation sequence converges to 0.

9. a) Test the series:

equation for absolute and conditional convergence.

b) Check whether the function equation given by:

equationhas local maxima and local minima.

c) Check, whether the collectionequation given by:  open cover of equation

10. a)State Bonnet's mean value theorem for integrals. Apply it to show that:

equation

b) Show that the sequence (a), where  equation is monotonic. Is equation Cauchy sequence  Justify your answer.

c) Check whether the intervals [2.5] and [7,10] are equivalent or not.


MTE 9 2025 - Hindi

सत्रीय कार्य

पाठ्यक्रम कोड: एम. टी. ई. - 09

सत्रीय कार्य कोड एम. टी. ई.09/ टी एम ए / 2025

अधिकतम अंक: 100

1. बताइए निम्नलिखित कथन सत्य हैं या असत्य। अपने उत्तरों के कारण बताइए।

क) - 2 अंतराल  ]-3,2]  का सीमा बिन्दु है।

ख) श्रेणी  equation अपसारी है।

ग) फलन f (x) = sin2x अंतराल [0,equation] पर एकसमानतः सतत है।

घ) प्रत्येक सतत फलन अवकलनीय है।

ड.) equation द्वारा equation पर परिभाषित फलन ƒ अंतराल [2, 3] में समाकलनीय है।

2) क) सिद्ध कीजिए कि दो संवृत समुच्चयों का सम्मिलन संवृत समुच्चय है। यह दिखाने के लिए एक उदाहरण दीजिए कि संवृत समुच्चयों की परिमित संख्या का सम्मिलन संवृत समुच्चय नहीं भी हो सकता है।

ख) R पर सातत्य के लिए

equation

द्वारा परिभाषित फलन f: IR IR की जाँच कीजिए। यदि R के किसी बिन्दु पर सतत नहीं है तब असातत्य का प्रकार ज्ञात कीजिए

ग)   equation  ज्ञात कीजिए।

3) क) गणितीय आगम नियम द्वारा सिद्ध कीजिए कि  equation  एक प्राकृत संख्या है,  equation

 

ख) दिखाइए कि ऐसी कोई वास्तविक संख्या नहीं है जिसके लिए समीकरण x4-3x2+k=0 के अंतराल [2,3] में दो अलग-अलग मूल होते हैं।

ग) मान लीजिए  equation  द्वारा परिभाषित है, जहाँ [x] महत्तम पूर्णांक equation को निरूपित करता है। दिखाइए कि यह फलन समाकलनीय है।

4. क) सातत्य की अनुक्रमिक परिभाषा द्वारा सिद्ध कीजिए कि

equation

द्वारा परिभाषित फलन f असतत है, equation I

ख) निम्नलिखित श्रेणी के अभिसरण की जाँच कीजिए:

i) equation

ii)  equation

ग) सिद्ध कीजिए कि पूर्णांकों का समुच्चय गणनीय है।

5. क) सिद्ध कीजिए कि

equation

ख) सिद्ध कीजिए कि अनुक्रम  equation अभिसारी। है जहाँ {an} परिबद्ध अनुक्रम है।

ग) सिद्ध कीजिए कि संतत फलन का संतत फलन संतत होता है।

6. क) चरम मानों के लिए फलन f(x) = (x+1)3 (x-3)2 की जाँच कीजिए।

ख) दिखाइए कि किसी भी a > 0 श्रेणी equation में एकसमानतः अभिसारी है।

ग) उचित पुष्टि के साथ सीमा बिन्दुओं की परिमित संख्या वाले एक अपरिमित समुच्चय का उदाहरण दीजिए।

7. क) दिखाइए कि

i)   equation

ii)   equation

ख) [1,5] पर परिभाषित फलन f(x) = x2-2 के लिए सत्यापित कीजिए L(P, f) ≤U(-P, f) जहाँ P एक विभाजन है जो [1,5] को चार बराबर अंतरालों में विभाजित करता है।

ग) मान लीजिए equation के रूप में परिभाषित अनुक्रम {an} है। दिखाइए कि {an} शून्य तक अभिसरण करता है।

8. क) फलन के सांतत्य की अनुक्रमिक परिभाषा का प्रयोग करते हुए सिद्ध कीजिए कि

equation

द्वारा परिभाषित फलन f, प्रत्येक वास्तविक संख्या पर असंतत है।

ख) दिखाइए कि वक्र y = 3x2-7x+6, पर बिन्दुओं को, जिनकी भुज x = 1 और x = 2, हैं, मिलाने वाली जीवा उस बिन्दु पर खींची गई स्पर्श रेखा के समान्तर होती है जिसकी भुजा equation

ग) ऐसी श्रेणी equation का उदाहरण दीजिए जिसके लिए equation, अभिसारी नहीं है लेकिन अनुक्रम (an) 0 की ओर अभिसरण करता है।

9. क) निरपेक्ष और सप्रतिबंध अभिसरण के लिए श्रेणी

equation

की जाँच कीजिए।

ख) जाँच कीजिए :

f (x) = (x-s)3 (x+1)2

द्वारा दिए गए फलन f का स्थानीय उच्चिष्ठ और स्थानीय निम्निष्ठ होता है या नहीं।

ग) जाँच कीजिए कि :

equation

द्वारा दिया गया संग्रह G, ]0,1[. का विवृत आवरक है या नहीं।

10. क) समाकलों के लिए बोनट के माध्य मान प्रमेय का कथन दीजिए

equation

दिखाने के लिए इसे लागू कीजिए।

ख) दिखाइए कि अनुक्रम (an), एकदिष्ट है, जहाँ equation उत्तर की पुष्टि कीजिए। । क्या (an) कॉशी अनुक्रम है? अपने

 

ग) जाँच कीजिए कि अंतराल [2,5] और [7,10] तुल्य हैं या नहीं।

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Course: Bachelor in Science (BSC)
Subject: MTE 9 - Real Analysis
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