Question

differentiation:(u^2-2)^2​

Answer 1

$CHeck THE ATTACHMENT$

Answer 2

$(u {}^{2} - 2) {}^{2}$

Using identity

$(a - b) {}^{2} = a {}^{2} + b {}^{2} - 2ab$

a=u^2 and b=2

So

$(u {}^{2} ) {}^{2} + 2 {}^{2} - 2(u {}^{2} )(2)$

Then

${u}^{4} + 4 - 4u {}^{2}$

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