Evaluate
14qp^{2}
Differentiate w.r.t. q
14p^{2}
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7p^{2}\times 8q\times \frac{1}{4}
Multiply p and p to get p^{2}.
56p^{2}q\times \frac{1}{4}
Multiply 7 and 8 to get 56.
\frac{56}{4}p^{2}q
Multiply 56 and \frac{1}{4} to get \frac{56}{4}.
14p^{2}q
Divide 56 by 4 to get 14.
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