Question: These are 15 points each. Please need graphs too in the answers Problem 3 - ( 1 5points) Q) find the volume of the solid

These are 15 points each. Please need graphs too in the answers

Problem 3 - ( 1 5points) Q) find the volume of the solid obtained by rotating the region between the given curves about the y-axis:4 = er n= 0 n=1. Use cylindrical shells method. Also show the graph. Problem 4 - ( 15 points) A force of 36 N is required to hold a spring Stretched from its natural length of . Im to a length of 0. 22m . What is the work needed to stretch the spring from 0. 12m to 0. 22 M 2
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