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X+1/x=4 find the value of a) x²+1/x² b) x4+1/x4 |
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Answer» Step-by-step EXPLANATION: a} x + 1/x = 4 (x + 1/x)^2 = 4^2 x^2 + 1/x^2 +2 = 16 x^2 + 1/x^2 = 14 |
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