Power series for integral (1/x) dx

Jbreezy
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Homework Statement


I have to find the power series representation for integral (1/x) dx


Homework Equations



ln (1+x)

The Attempt at a Solution


This is very similar to ln(1+x) but I don't know if this helps me.

Is this ln(x) shifted one to the right? So maybe I can use what is already the power series for ln(1+x) = Ʃ (-1)^(n-1) (x^n)/n from n = 1 to ∞

so could I do ln(x) = [(-1)^(n) (x^(n+1)] / (n+1)

NO? Maybe I shifted it wrong?
 
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Jbreezy said:

Homework Statement


I have to find the power series representation for integral (1/x) dx


Homework Equations



ln (1+x)

The Attempt at a Solution


This is very similar to ln(1+x) but I don't know if this helps me.
##\int \frac{dx}{x} = ln(x) + C##, assuming x > 0.

ln(x + 1) is the translation by one unit left, not right, of the graph of y = ln(x).
Jbreezy said:
Is this ln(x) shifted one to the right? So maybe I can use what is already the power series for ln(1+x) = Ʃ (-1)^(n-1) (x^n)/n from n = 1 to ∞

so could I do ln(x) = [(-1)^(n) (x^(n+1)] / (n+1)

NO? Maybe I shifted it wrong?
 
OK so this

Ʃ (-1)^(n-1) (x^n)/n from n = 1 to ∞

Should be Ʃ (-1)^(n-2) (x^(n-1))/(n-1) from n = 1 to ∞

Right?
 
Jbreezy said:
OK so this

Ʃ (-1)^(n-1) (x^n)/n from n = 1 to ∞

Should be Ʃ (-1)^(n-2) (x^(n-1))/(n-1) from n = 1 to ∞

Right?
Instead of writing "answers" show me some mathematics reasoning.
 
Prove $$\int\limits_0^{\sqrt2/4}\frac{1}{\sqrt{x-x^2}}\arcsin\sqrt{\frac{(x-1)\left(x-1+x\sqrt{9-16x}\right)}{1-2x}} \, \mathrm dx = \frac{\pi^2}{8}.$$ Let $$I = \int\limits_0^{\sqrt 2 / 4}\frac{1}{\sqrt{x-x^2}}\arcsin\sqrt{\frac{(x-1)\left(x-1+x\sqrt{9-16x}\right)}{1-2x}} \, \mathrm dx. \tag{1}$$ The representation integral of ##\arcsin## is $$\arcsin u = \int\limits_{0}^{1} \frac{\mathrm dt}{\sqrt{1-t^2}}, \qquad 0 \leqslant u \leqslant 1.$$ Plugging identity above into ##(1)## with ##u...
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