Question:
Mark $(\sqrt{ })$ against the correct answer in each of the following:
$\int \sec ^{2}(7-4 x) d x=?$
A. $\frac{1}{4} \tan (7-4 x)+C$
B. $\frac{-1}{4} \tan (7-4 x)+C$
C. $4 \tan (7-4 x)+C$
D. $-4 \tan (7-4 x)+C$
Solution:
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