Question

if x-1/x=8 then find the value of x^2+1/x^2

Answer 1

$\huge\boxed{\texttt{\fcolorbox{Red}{aqua}{Hello Friend}}}$


Here is your answer

$(x - \frac{1}{x} ) {}^{2} = x {}^{2} + \frac{1}{x {}^{2} } - 2 \times x \times \frac{1}{x} \\ 8 {}^{2} = x {}^{2} + \frac{1}{x {}^{2} } - 2 \\ x {}^{2} + \frac{1}{x {}^{2} } = 64 + 2 \\ x {}^{2} + \frac{1}{x {}^{2} } = 66$
Hope it helps you