if x^2+1/x^2=6,find x^4+1/x^4
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Answered by
2
Answer:
34
Step-by-step explanation:
(x^2 + 1/x^2)^2=36
x^4 +1/x^4 + 2*x^2*1/x^2 = 36
x^4 + 1/x^4 =36-2
x^4 + 1/x^4 = 34
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