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∫ Tan 3 X Sec 2 X D X

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Question

` ∫  tan^3    x   sec^2  x   dx  `
Sum
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Solution

` ∫  tan^3   x   sec^2  x   dx  `
Let tan t
⇒ sec2 x dx = dt
Now ,` ∫  tan^3   x   sec^2  x   dx  `
`= ​∫ t^3.dt `
\[= \frac{t^4}{4} + C\]

\[ = \frac{\tan^4 x}{4} + C\]

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Chapter 18: Indefinite Integrals - Exercise 19.11 [Page 69]

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R.D. Sharma Mathematics Volume 1 and 2 [English] Class 12
Chapter 18 Indefinite Integrals
Exercise 19.11 | Q 1 | Page 69
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