# Having a problem with inverse proportion!

1. Feb 3, 2013

### mc2_phy

Reaaly need to solve these

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2. Feb 3, 2013

### Saitama

Hello mc2_phy, welcome to PF!

As per the rules, you need to show us your attempt before asking for help. :)

3. Feb 3, 2013

### mc2_phy

I have attached a file of attempt :) Dont know how to find x

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4. Feb 3, 2013

### Saitama

For which question have you posted this attempt?

Lets take the second for instance where b is inversely proportional to a^2.
We can write $b \propto \frac{1}{a^2}$. Removing the proportionality sign, $b =\frac{k}{a^2}$ where $k$ is some constant.
Substitute $a$ and $b$, find the value of k.