Question

$$\frac{d}{qx}(-\sec^{2}x)$$

Answer

$$-(d*sec(x)^2)/(q*x)$$

Solution


Use this rule: \(\frac{a}{b} \times c=\frac{ac}{b}\).
\[\frac{d\times -\sec^{2}x}{qx}\]
Regroup terms.
\[\frac{-d\sec^{2}x}{qx}\]
Move the negative sign to the left.
\[-\frac{d\sec^{2}x}{qx}\]