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Find the product of[x+1/x-1][x^2+1/x^2+x+1/x] |
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Answer» (a+b)(a-b) =a²- b² in all CASES [x+1/x][x-1/x][x²+1/x²][x⁴+1/x⁴] = [x²- 1/x²][x²+1/x²][x⁴+1/x⁴] =[(x²)²- (1/x²)²][x⁴+1/x⁴] |
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