Find the given derivative.\\ $D_x \left(9x^{-\frac{1}{2}} + \frac{2}{x^{\frac{2}{5}}}\right)$
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The derivative of 9x^(-1/2) is -9/2 * x^(-1/2-1) = -9/2 * x^(-3/2) = -9/(2x^(3/2)) Show more…
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