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Solve [(238 + 131) 2 + (238 - 131) 2] / (238 x 238 + 131 x 131)

Correct Answer: 2

Explanation:

Given expression
= [(a + b)2 + (a - b)2] / [a2 + b2]
= 2(a2 + b2) / (a2 + b2)
= 2
where, a = 238, b = 131


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