Question

If (x-1/x= 15, then the value of x the power 2 +1/x power 2

Answer 1

Answer:

223

Step-by-step explanation:

Given,x+1/x=15

On squaring both sides, we get

x^2 + 1/ x ^2+2 = 225

 ⇒x^2+1/x^2 = 223

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