MCQ
Evaluate: $\int(2\tan\text{x}-3\cot\text{x})^2\text{dx}.$
  • A
    $-4\tan\text{x}-\cot\text{x}-25\text{x}+\text{c}$
  • B
    $4\tan\text{x}-9\cot\text{x}-25\text{x}+\text{c}$
  • C
    $-4\tan\text{x}+9\cot\text{x}+25\text{x}+\text{c}$
  • $4\tan\text{x}+9\cot\text{x}+25\text{x}+\text{c}$

Answer

Correct option: D.
$4\tan\text{x}+9\cot\text{x}+25\text{x}+\text{c}$
$4\tan\text{x}+9\cot\text{x}+25\text{x}+\text{c}$

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