Kindly give me a detailed answer in a clear handwriting of all the subparts by mentioning the subpart's name. It is one whole question including the formulas. All the subparts are related. I am...

Kindly give me a detailed answer in a clear handwriting of all the subparts by mentioning the subpart's name. It is one whole question including the formulas. All the subparts are related. I am attaching the full question. All the questions are related. This is my second time uploading these questions as I got wrong answers previously. So kindly answer this one by following the given instructions.
I will upvote if the answer is correct. Thank you. Download the question so that you can read it. I only have few minutes.

Extracted text: Problem 3 1 Evaluate the improper intergal L (et L 40w dausing the residue theorem. (x² + 49)?