Question

If x+1/x =9, find the value of x^2 + 1/x^2 and x^4 + 1/x^4.

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Answer 1

Answer:

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Step-by-step explanation:

x + 1/x = 4

X²+1/x² +2 =16

x²+1/x²= 14

x^4+1/x^4 +2 = 14² = 196

x^4+1/x^4 = 194