if (x+1/x) =5,find the value of (x^4+1/x^4)
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Verified answer
Solution is in the pic
Formula used is
(a+b)^2=a^2+b^2+2ab
(X+1/X)^2=x^2+1/x^2 +2× x × 1/x
and
(x^2+1/x^2)^2=x^4+1/x^4 +2×x^2×1/x^2
Answer is -3
Step-by-step explanation: