Hello again! I trust you more than the last tutor. I’m short on time. Can you help me with this? Please provide step by step solutions (including units) to the 2 questions below. Thank you!

Hello Sir, It’s me again. I need help with solving these problems. If you could show all work it would be greatly appreciated! I want to check my work against what you come up with.

Can you please help with these two questions (2 page) – showing detailed work would be helpful for me to understand.

Lav.Singh, it’s James, I attached a file to see if want to answer for me. Have another question after this one, too. James

question is in the picture

the question is in the picture

I cant figure out these problems. I keep getting stuck and finding the wrong answer. Show that: x = (summation sign)_n=1 to (infinity) of ((2/n)(-1)^(n+1)*sin(nx) a similar one i mess up the

I don’t know how to solve the problem in the attached files, please help me, thanks a lot.

Please help answer question regarding diffferntial equation in a timely manner. Willing to netogiate.

I need help understanding how to solve numbers 1 and 4. Thanks!