# Thread: How are these equivalent

1. ## How are these equivalent

After fourier transform i have got the lft hand answer but have no idea how this is equivalent to the right.

2. Try multiplying the left side by $\frac{a-i \omega}{a-i \omega}$

3. Originally Posted by drumist
Try multiplying the left side by $\frac{a-i \omega}{a-i \omega}$
You absolute hero