Question
`[(963 + 476)^2+ (963 - 476)^2]/[(963 times 963 + 473 times476 )]`= ?
Answer: Option C
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Given Exp. `[(a + b)^2+ (a - b)^2]/[(a^2 + b^2 )]` = `[2(a^2+b^2)] /[(a^2 +b^2)]` = 2
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