Math, asked by sristi82, 1 year ago

If
x +  \frac{1}{x}  = 9
find the value of
x^{4}  +  \frac{1}{x^{4} }

Answers

Answered by Anonymous
1

x^4 + 1/x^4.

( x^2 + 1/x^2) - 2

( x+ 1/x)^2 -4

(9)^2 -4

81 -4

77


Anonymous: thanks❤
Similar questions