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Question
Evaluate:\[\int \sec^2 \left( 7 - 4x \right) \text{ dx }\]
Sum
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Solution
\[\int \sec^2 \left( 7 - 4x \right) \text{ dx }\]
\[ = \frac{\tan \left( 7 - 4x \right)}{- 4} + C \left( \because \int \sec^2 x = \tan x + C \right)\]
\[ = \frac{\tan \left( 7 - 4x \right)}{- 4} + C \left( \because \int \sec^2 x = \tan x + C \right)\]
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