Evaluate
\frac{\pi \theta x^{2}}{360}
Differentiate w.r.t. x
\frac{\pi x\theta }{180}
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\frac{\theta \pi }{360}x^{2}
Express \frac{\theta }{360}\pi as a single fraction.
\frac{\theta \pi x^{2}}{360}
Express \frac{\theta \pi }{360}x^{2} as a single fraction.
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