Question

if x-1/x=8 find x+1/x use identity​

Answer 1

Answer:

x-1/x=8

(x-1/x)²=64

(x+1/x)²-4=64

(x+1/x)²=68

x+1/x=√68

Answer 2

$\Huge\bf\maltese{\underline{\green{Answer°᭄}}}\maltese$

$\implies$$\large\bf{\underline{\red{VERIFIED✔}}}$

$= > \frac{x - 1}{x} = 8 \\ \\ by \: using \: the \: identity \\ \\ = > ( \frac{x - 1}{x})^{2} = 64 \\ \\ = > ( \frac{x - 1}{x})^{2} = - 4 - 64 \\ \\ = > ( \frac{x - 1}{x})^{2} = 68 \\ \\ = > \frac{x + 1}{x} = √68$

$\boxed{I \:Hope\: it's \:Helpful}$