If x +1/x=3 find the value of x²+1/x²
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Step-by-step explanation:
0 lajai jajabava92728282
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Step-by-step explanation:
(x+1/x)^2=3^2
x^2+1/x^2+2*1/x*x=9
x²+1/x²=9-2
x²+1/x²=7
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