$$ \int\frac{x-1}{x^2\sqrt{2x^2-2x+1}}dx $$
I am unable to begin this question. Please give some hints or solve it.
$$ \int\frac{x-1}{x^2\sqrt{2x^2-2x+1}}dx $$
I am unable to begin this question. Please give some hints or solve it.
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HINT:
$$2x^2-2x+1=2x^2\left(1-\dfrac1x+\dfrac1{2x^2}\right)$$
$$\dfrac{d\left(1-\dfrac1x+\dfrac1{2x^2}\right)}{dx}=?$$
Or set $1/x=h$
Can you take it from here?