Question

Please solve this.........​

Answer 1

Answer:

x+1/x = 5

now Square Both side

(x+1/x) ^2 = 5^2

x^2 + 2*x*1/x + (1/x) ^2 = 25

(x)^2 + (1/x) ^2 = 25- 2

(x)^2 + (1/x) ^2 = 23 ------------ 1st answer.

repeat the same step,

(x)^4 + (1/x) ^4 = 529 -2

(x)^4 + (1/x) ^4 = 527 ------------2nd answer.