Math, asked by Sneha037, 1 year ago

how 2 do this??????......

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Answers

Answered by ganusripadasripada
2

do squaring on both sides and solve it or else multiply it with 2


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Answered by shaivalini226p8uvju
2
x+1/x = 20
(x+1/x)² = 20²
x²+1/x²+2 = 20
x²+1/x² = 20-2
x²+1/x² = 18
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