Question

17. If x +1/x = 5, find the values of each of the following:. (i) x^2 +1/x^2 Please answering fast​

Answer 1

Answer:

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Step-by-step explanation:

I

We need to find X2+ 1 / x2

( x + 1 / x )2 = 25

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

= x2 + 1/x2 + 2 = 25

= X2 + 1 / x2 = 25 – 2

= X2+ 1 / x2=23

Hence X2+ 1 / x2= 23