Multivariable Calculus Questions
Answers to the questions, with step by step solutions. List and name any formulas used. Draw out each question/answer to aide in explanation.
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Have you seen the solutions?

Hey! Sorry for the delay. Spent the weekend in the hospital for a medical emergency. Will review and send feedback as soon as I can. Cheers!

Hope you are fine. Thank you

Would you mind briefly going through how you would find the foci and other key points on the graph for question 5?

Okay I will add the details today.

Please find the explanation and new graph, I just checked by mistake I switched the axes in previous graph, check the new blue graph and it's explanation
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