Question

using the formula (a-b)^2-(a^2-2ab+b^2) evaluate:- (1) (196)^2​

Answer 1

Answer:

${196}^{2} \\ = { {14}^{2} }^{2} \\ = {14}^{4} \\ = 38416$

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Answer 2

I think so this formula is incorrect

(196)²=(200-4)²

200²-2*200*4+4²

40000-1600+16

38400+16

38416

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