Question

if x+1/x=√5 , find value of x²+1/x²

Answer 1

★ Hey mate ★

x + 1 / x = √ 5


squaring both sides we get :-

( x + 1 / x )² = (√ 5 )²


x² + 1 / x² + 2 = 5


=> x² + 1 / x² = 3


hence , your answer is ==> 3


hope it helps you dear!!!


thanks !!!

Answer 2

Hope it will help you .