Question

If x-1/x=6 find the value of x^4+1/x^4​

Answer 1

Answer:

x + 1/x = 6

On squaring both sides, we get

(x + 1/x)2 = (6)2

? x2 + 1/x2 + 2 = 36

? x2 + 1/x2 = 34

On squaring both sides, we get

(x2 + 1/x2)2 = (34)2

? x4 + 1/x4 + 2 = 1156

? x4 + 1/x4 = 1154

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