1 / ( 9 x ^ { 2 } + 25 ) d x =
Evaluate
\frac{dx}{9x^{2}+25}
Differentiate w.r.t. x
\frac{d\left(25-9x^{2}\right)}{\left(9x^{2}+25\right)^{2}}
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\frac{d}{9x^{2}+25}x
Express \frac{1}{9x^{2}+25}d as a single fraction.
\frac{dx}{9x^{2}+25}
Express \frac{d}{9x^{2}+25}x as a single fraction.
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