Fall 2019

Maximum Marks: 20

Due Date: 29th Nov, 2019

INSTRUCTIONS

Please read the following instructions before attempting the solution of this assignment:

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To solve this assignment, you should have good command over 8-14 lectures.
Try to get the concepts, consolidate your concepts and ideas from these questions which you learn in these lectures. You should concern the recommended books for clarification of concepts.
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Avoid copying the solution from book (or internet); you must solve the assignment yourself.
Also remember that you are supposed to submit your assignment in Word format any other like scan images, HTML etc. will not be accepted and we will give zero marks correspond to these assignments.
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Question: 1 Marks: 10

Use chain rule to find and show it as a function of t.

Question: 2 Marks: 10

Find the directional derivative of the function (x,y)=xe^y+y lnz , at the point

(-1,0,1) and in the direction of the vector

**Q. 2 Solution:**