If f ( 3 x-4 3 x+4 )=x+2, x - 4 3 and f(x) d x=A |l-x|+E x+C , then the ordered pair (A…

Mathematics · JEE Main · NTA ExamsIntegral Calculus

If 
\(f\left(\frac{3 x-4}{3 x+4}\right)=x+2, x \neq-\frac{4}{3} \text { and } \int f(x) d x=A \log |l-x|+E x+C\)
, then the ordered pair \((A, B)\) is equal to :(where c is a constant of integration)

  1. \(\left(-\frac{B}{3},-\frac{2}{3}\right)\)
  2. \(\left(-\frac{B}{3}, \frac{2}{3}\right)\)
  3. \(\left(\frac{6}{3}, \frac{2}{3}\right)\)
  4. \(\left(\frac{6}{3},-\frac{2}{3}\right)\)

Answer

(A) (- B 3 ,- 2 3 )

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