Question

x+1/x=8find the value of x2+1/x2

Answer 1

heya

x+1/x=8

=>1+1/x=8

=>1/x=7

now
x²+1/x²=1/x²

thus 1+1/x²

thus ans. is50

and=50

pls mark brainliest

Answer 2

$x + \frac{1}{x} = 8$

( a + b )² = a² + b² + 2ab

${(x + \frac{1}{x} )}^{2} = {x}^{2} + \frac{1}{ {x}^{2} } + 2x \times \frac{1}{x}$

( 8 )² = x² + 1/x² + 2

64 - 2 = x² + 1/x²

62 = x² + 1/x²