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sheugeh:
36
the answer is given 34
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Given x^2 + 1/x^2 = 6
= > On squaring both sides, we get
= > (x^2 + 1/x^2)^2 = (6)^2
= > x^4 + 1/x^4 + 2 * x^2 * 1/x^2 = 36
= > x^4 + 1/x^4 + 2(1) = 36
= > x^4 + 1/x^4 + 2 = 36
= > x^4 + 1/x^4 = 36 - 2
= > x^4 + 1/x^4 = 34.
Hope this helps!
= > On squaring both sides, we get
= > (x^2 + 1/x^2)^2 = (6)^2
= > x^4 + 1/x^4 + 2 * x^2 * 1/x^2 = 36
= > x^4 + 1/x^4 + 2(1) = 36
= > x^4 + 1/x^4 + 2 = 36
= > x^4 + 1/x^4 = 36 - 2
= > x^4 + 1/x^4 = 34.
Hope this helps!
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The answer will be 34..now check it
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no it will be 24 only
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