if x+1/x=3,then find the value of x²+1/x²
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x+1/x=3
squaring both sides
x2+1/x2=32
x2+1/x2=9
x2+1/x2=9-2
x2+1/x2=7
Hope it helps!!
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squaring both sides
x2+1/x2=32
x2+1/x2=9
x2+1/x2=9-2
x2+1/x2=7
Hope it helps!!
Mark as Brainliest! :)
Noah11:
can i get brainliest
its not clear concept
Answered by
3
x + 1/x
Square on both sides,
(x + 1/x)² = 3²
x² + 1/x² + 2(x × 1/x) = 9
x² + 1/x² + 2 = 9
x² + 1/x² = 9 - 2 = 7
Square on both sides,
(x + 1/x)² = 3²
x² + 1/x² + 2(x × 1/x) = 9
x² + 1/x² + 2 = 9
x² + 1/x² = 9 - 2 = 7
u deserved it brother!!
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