COMEDK Exam 2016 Solved Paper

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Question : 129 of 180

Marks: +1, -0

If a∣(b+c) and a∣(b−c), where a,b,c∈N, then

c2≡a2(bmod‌b2)
a2≡b2(bmod‌c2)
a2+c2=b2
b2≡c2(bmod‌a2)

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