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#### karush

##### Well-known member

- Jan 31, 2012

- 2,886

$$\d{r}{\theta}=\frac{r^2}{\theta},\quad r(1)=2$$

from i would deduct that $dr=r^2$ and $d\theta = \theta then$

$$\d{r}{\theta}=\frac{\theta}{r^2}

\text{ or }

\frac{1}{r^2}dr=\frac{1}{\theta}d\theta$$

intregrate

from i would deduct that $dr=r^2$ and $d\theta = \theta then$

$$\d{r}{\theta}=\frac{\theta}{r^2}

\text{ or }

\frac{1}{r^2}dr=\frac{1}{\theta}d\theta$$

intregrate

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