Question

Show that if equation or equation, then equation, for equation.

09 Jan 2026
Answer :
Word Count : 168
Assume that (5\mid (a^{2}-2b^{2})). We prove that this forces (5\mid a) and (5\mid b), which will establish the contrapositive. Working modulo (5), the quadratic residues are [ 0^{2}\equiv 0,; 1^{2}\equiv 1,; 2^{2}\equiv 4,; 3^{2}\equiv 9\equiv 4,; 4^{2}\equiv 16\equiv 1 \pmod{5}. ] Hence any square modulo (5) is (0,1,) or (4). So (a^{2}\equiv
_______ _________ ________ _________ ___.
_____ ____ _____ __________ ___.
____ __________ ____ __________ _________ __________ _____ _____ ___ ____ _________.
_______ ______ ________ ________ __________ __________ __________ _________.
________ ______ ______ ___ ___ _______ ____.
____ __________ ________ _____ _________ ____ ______ __________.
________ ____ _____ __________ ________ _________ _____ ________ ______ ________ _____ _________.
______ __________ ________ ________ ______ _________.
_______ ______ ________ _____ __________ ________ _______ ______ _________ _________ __________ ______.
________ _____ ________ _________ _________ _______ __________ __________ _____.
________ _______ ______ ____ ______ ________ _________ __________ __________ ___.
____ _____ ________ ___ _______ _____ ________.
_______ _________ _________ _________ __________ ________ _______ ___ _____ __________ __________.
_____ ___ ___ ___ _______.
IGNOU ACADEMY
Your IGNOU journey, made easier.
  • Solved Assignments
  • Study Notes
  • Guess Papers
  • Question Papers
Skip in 10
Top
📞
Call Support Instant phone assistance IGNOU MTE 6 2026 - Show that if  or , then , for . | IGNOU Academy
→
🟢
WhatsApp Chat Fast live messaging
→
Email Us Business enquiries & support
→