A B O A OB D 1 4 1 4 f sec² (4t) (3 tan(4t))³ dt 1 16 (3 tan (4t))+ + C (3 - tan (4t))+ + C E None of the Above C D 1 16 (3 tan (4t)) + C (3 tan (4t))+ + C

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A: solution of the given question is like aS:

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A:

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A:

Q: Which of the following equations are exact?

A: A differential equation of the form  called exact if and only if .

Q: is equal to sec (2x) + In|sec(2x)|+ C sec (2x) – In|sec(2x)| + C the above the above Gsec (2x) –…

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A:

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A: We have to find the integration

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A:

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A: Disclaimer: Since you have asked multiple questions; we will solve the first question for you. If…

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Q: a. Let In = strate that exp (nx) sin (exp(x)) dx. By making an appropriate substitution, or…

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Q: Evaluate 4x³ sin² (x¹) dx + C

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A: Given query is to find indicated derivative

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A: Using substitution method Let cosx =t

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A:

Q: sec (3x). tan (3x) da 1 sec (3x) + CO 3 sec (3x) + CO 1 tan (3x) + CO tan (3x) + CO

A: We can answer the question as below as below.