JEE Main2008MathematicsIndefinite IntegrationActual
The value of 2 x d x (x- 4 ) is
Options
- Ax+ | (x- 4 ) |+c
- Bx- | (x- 4 ) |+c
- Cx+ | (x- 4 ) |+c
- Dx- | (x- 4 ) |+c
Correct answer
C. x+ | (x- 4 ) |+c
Step-by-step solution
aligned & 2 x d x (x- 4 ) = 2 (x- 4 + 4 ) d x (x- 4 ) & = 2 ( 4 + (x- 4 ) 4 ) d x & = d x+ (x- 4 ) d x & =x+ | (x- 4 ) |+c . aligned