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If x is equal to 2 + root 3, find { X +1/x}power 3 |
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Answer» Step-by-step explanation: x = 2+ √3 ( x+1 / x )^3 =( 2+ √3 )^3 + 1^3 / ( 2+ √3 )^3 =8+√27 + 1 / 8+ √27 =8+√27 + 1 / 8+ √27 * 8+√27 / 8+ √27 =64+√729 + 1 / 64+√729 =64+27+1 / 64+27 =86 / 85 |
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