The calculator will find the second derivative of
x, with steps shown.
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Solution
Find the first derivative dxd(x)
Apply the power rule dxd(xn)=nxn−1 with n=21:
(dxd(x))=(2x1)Thus, dxd(x)=2x1.
Next, dx2d2(x)=dxd(2x1)
Apply the constant multiple rule dxd(cf(x))=cdxd(f(x)) with c=21 and f(x)=x1:
(dxd(2x1))=⎝⎛2dxd(x1)⎠⎞Apply the power rule dxd(xn)=nxn−1 with n=−21:
2(dxd(x1))=2(−2x231)Thus, dxd(2x1)=−4x231.
Therefore, dx2d2(x)=−4x231.
Answer
dx2d2(x)=−4x231A