How does the speaker's repetition of the neighbor's cherished belief about the importance of walls (lines 27 and 45) convey the poem's criticism of an undesirable social pattern?

See diagram.we use washers to get the area and we will be integrating with respect to xouter radius is the  distance between y = e^x and y = -1    inner radius of washer is the distance between y = 1 and y = -1    the area of one cross-section of a washer is    solid lies between x = 0 and x = 2. the volume is    if you need this expanded, then    the question doesn't say to evaluate, so we're done.   

Answergamma-rays

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Students need to change their attitude