Urgent Solutin needed for HW! Fourier series!

[malee006]

Any one Solution will be appreciated , just solve as soon as possible!
1) Fourier Series
2) Heat Equation

[Integral]

If you are waiting for someone to do your homework for you, you have come to the wrong site.

Please show us what you have done, or at least make an effort to show that you have even read the problems.

[Alex6200]

Do you know how to take a Fourier transform?

Do you understand heat equations?

Frankly I don't think anyone can help you until we understand what you're having trouble with.