Question

Find f'(x) if f(x)=(x²-1/x²)²

Answer 1

$f(x)= \: (x^{2} -1/x^{2} )^{2} \\ \\ \\ diff \: wrt \: \: x\\ \\ {f}^{1} (x) = 2(x^{2} -1/x^{2})(2x + \frac{2}{ {x}^{3} } )\\ \\ \\ \\ \frac{d}{dx} ( {x}^{n} ) = n {x}^{n - 1}$

hope it helps