BITSAT2020MathematicsDefinite IntegrationActual
_ / 3 ^ / 2 x ( [x]-x) dx is equal to
Options
- A1 2 + 6
- B1- 3 2 + 6
- C- 1 2 - 6
- D3 2 -1- 6
Correct answer
B. 1- 3 2 + 6
Step-by-step solution
In the interval 3 to 2 ,[ x ]=1 aligned I &= _ / 3 ^ / 2 x ( - x ) dx = _ / 3 ^ / 2 x x d x &=[- x x + x ]_ / 3 ^ / 2 =1- 3 2 + 6 aligned