Evaluate the Integral $\int \left( x ^ { 3 } + x ^ { 4 } \right) \sec ^ { 2 } \left( 5 x ^ { 4 } + 4 x ^ { 5 } \right) \mathrm { d } x$

question 1

Multiple Choice

Evaluate the integral. $\int \left( x ^ { 3 } + x ^ { 4 } \right) \sec ^ { 2 } \left( 5 x ^ { 4 } + 4 x ^ { 5 } \right) \mathrm { d } x$

• A) \(\frac { 1 } { 5 } \tan \left( 5 x ^ { 4 } + 4 x ^ { 5 } \right) + C\)
• B) \(\frac { 1 } { 20 } \tan \left( 5 x ^ { 4 } + 4 x ^ { 5 } \right) + C\)
• C) \(\frac { 1 } { 4 } \tan \left( 5 x ^ { 4 } + 4 x ^ { 5 } \right) + C\)
• D) \(\tan \left( 5 x ^ { 4 } + 4 x ^ { 5 } \right) + C\)
• E) \(20 \tan \left( 5 x ^ { 4 } + 4 x ^ { 5 } \right) + C\)

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