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    I have got the answers for part a,b,and c. Can anyone help me with the part d with explanation please? If the image is not clear please let me know ! Thanks in advance!!


    Find the volume underneath the tangent between x= 0.75a and 1.25a...

    Integrate the curve C using the cartesian equation you found NOT the parametric equation to find the volume.

    Volum of triangle - volume of C = answer !

    EDIT : When integrating C to find the volume set the limits to x = 0.75a and 1a
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