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If x² + 1 by x² = 27 find the value of x-1 by x |
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Answer» by using the FORMULA of (a+b)2 Step-by-step EXPLANATION: X²+1/x² = 27 (x)²+(1/x)²+2(x)(1/x) = 29 using formula , a²+b²+2ab = (a+b)² (x+1/x)² = 29 x+1/x = √29 |
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