Question

find the derivative of 1+x²/1-x²​

Answer 1

Question:

$find \: \: the \: \: derivative \: \: of \: \: \: \\ 1+x²/1-x²$

⦋Answer⦌

$1+x²/1-x² \\ = (1 + x {}^{2} )(1 + x {}^{2} )/(1 - x {}^{2} )(1 - x {) }^{2} \\ = (1 + x {}^{2} ) {}^{2} /(1) {}^{2} - (x {}^{2} ) {}^{2} \\ = 1 + 2x {}^{2} + x ^{4} /1 - x {}^{4}$