find the value of x2+1/x2 if x-1/x=√3
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2
Answer:
3
Step-by-step explanation:
x-1/x=_/3
x-1=_/3x
x=_/3x+1
x^2+1/x^2=>(x+1/x)^2
by using the formula
(x)^2+(1/x)^2+2×x×1/x
3x^2+1+(1/3x^2+1)+2
(3x^2+1+1+6x^2+2)/3x^2+1
9x^2+3/3x^2+1
3(3x^2+1)/3x^2+1
3
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