1.

What is the value of 4a cos3θ(d2y/dx2) if x = a sin2θ(1 + cos2θ) and y = a cos2θ(1 – cos2θ)?

A. [1 + (d2y/dx2)2]3/2
B. [1 – (d2y/dx2)2]3/2
C. [1 + (d2y/dx2)2]1/2
D. [1 – (d2y/dx2)2]1/2
Answer» B.


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