if x-3=1/x find the value of x*x +1/x*x
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Answered by
4
x - 3 = 1/x
=> x - 1/x = 3
On squaring both sides, we get
( x - 1/x)^2 = ( 3)^2
=> x^2 + 1/x^2 - 2(x)(1/x) = 9
=> x^2 + 1/x^2 - 2 = 9
=> x^2 + 1/x^2 = 11
=> x - 1/x = 3
On squaring both sides, we get
( x - 1/x)^2 = ( 3)^2
=> x^2 + 1/x^2 - 2(x)(1/x) = 9
=> x^2 + 1/x^2 - 2 = 9
=> x^2 + 1/x^2 = 11
pragya5912:
thanks
Answered by
1
x - 3 = 1/x
=> x - 1/x = 3
On squaring both sides, we get
( x - 1/x)^2 = ( 3)^2
=> x^2 + 1/x^2 - 2(x)(1/x) = 9
=> x^2 + 1/x^2 - 2 = 9
=> x^2 + 1/x^2 = 11
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