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Prove that m2 = n2 if and only if m = n or m = –n.
Chapter 7, Problem 28E(choose chapter or problem)
QUESTION:
Problem 28E
Prove that m2 = n2 if and only if m = n or m = –n.
Questions & Answers
QUESTION:
Problem 28E
Prove that m2 = n2 if and only if m = n or m = –n.
ANSWER:
SOLUTION
Step 1
We have to prove or m = - n