Here's the derivation for question 6.b:
Step 1: Simplify the expression for Y.
Y=X2(2x)
Y=2x2+1
Y=2x3
Step 2: Differentiate the simplified expression with respect to x. Recall that dxd(axn)=naxn−1.
dxdY=dxd(2x3)
dxdY=2(3)x3−1
dxdY=6x2
The derivative is:
6x2
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