Evaluate
-\frac{127\pi P}{3}
Differentiate w.r.t. P
-\frac{127 \pi}{3} = -132.99408900196792
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\frac{-P\times 127\pi }{3}
Express P\left(-\frac{127\pi }{3}\right) as a single fraction.
\frac{-127P\pi }{3}
Multiply -1 and 127 to get -127.
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