Math, asked by 6sakshamgupta62008, 1 month ago

x-1/x=√5 find the value of 1.x^2+1/x^2​

Answers

Answered by hoihtte
0

Answer:

23

Step-by-step explanation:

Given :

( x + 1 /x ) = 5

We need to find x2 + 1 / x2

( x + 1 / x )2 = 25

= x2 + 1 / x2 + 2 (x)(1/x) = 25

= x2 + 1/x2 + 2 = 25

= x2 + 1 / x2 = 25 – 2

= x2 + 1 / x2=23

Hence x2 + 1 / x2 = 23

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