If x-1/x=6 , evaluate x+1/x .
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Answer:
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Step-by-step explanation:
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Answer:
x+1/x = √40
Step-by-step explanation:
x-1/x = 6
=> (x-1/x)² = 36
=> x²+1/x²-2*x*1/x = 36
=> x²+1/x²-2 = 36
=> x²+1/x² = 36+2
=> x²+1/x² = 38
(x+1/x)²
= x²+1/x²+2*x*1/x
= x²+1/x²+2
= 38+2 [x²+1/x² = 38]
= 40
(x+1/x)² = 40
=> x+1/x = √40
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