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Evaluate x² + 1/x² x - 1/x = 3plz solve it .. |
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Answer» = 11Explanation:Givenx-1/X = 3---(1)On SQUARING equation (1), we get=> (x-1/x)² = 3²=> x²+1/x²-2*x*(1/x) = 9/* By algebraic identity :(a-b)² = a²+b²-2ab */=> x²+1/x² - 2 = 9=> x² + 1/x² = 9 +2=> x² + 1/x² = 11Therefore,x²+1/x² = 11Please mark my answer brainliest |
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