Question

If (x +1/x)= 4 find the value of
(X^2+1/x^2)

Answer 1

x + 1/x = 4
On sq. both sides, we get;
(x + 1/x)^2 = 4^2
=> x^2 + 1/x^2 + 2*x*1/x = 16
=> x^2 + 1/x^2 + 2= 16
=> x^2 + 1/x^2 = 16 - 2
=> x^2 + 1/x^2 = 14......

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Answer 2

here is ur answer.......
answer is 14
if helpful then mark me as brainliest