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Let f:[1/2,infty)rarr[3/4,infty),where f...

Let `f:[1/2,infty)rarr[3/4,infty)`,where `f(x)=x^2-x+1`. Find the inverse of `f(x)`.Hence or otherwise solve the equation, `x^2-x+1=1/2+sqrt(x-3/4` .

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x=1
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