if x+1/x=√5 , find value of x²+1/x²
KaminiRaghuwanshi:
please help me
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5
★ 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 !!!
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 !!!
Answered by
3
Hope it will help you .
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