Question

Ifx-5x-1=0 then find the value of x + 2

11th - 12th Class

Maths

Solution

111

4.0 (1 ratings)

( frac{x^{2}-5 x-1}{operatorname{div} b y} x ) ( left(x-frac{1}{x}right)^{2}=(5) ) ( x^{2}+frac{1}{x^{2}}-2=25 ) ( x^{2}+frac{1}{x^{2}}=27 )