KCET2010MathematicsDefinite Integration
₀¹ x(1-x)^ 3 / 2 d x is
Options
- A- 2 35
- B4 35
- C24 35
- D- 8 35
Correct answer
B. 4 35
Step-by-step solution
₀¹ x(1-x)^ 3 / 2 d x= ₀¹ x ^ (2-1) (1- x )^ 5 / 2-1 dx = B (2,5 / 2) array l B ( m , n )= ₀¹ x ^ m -1 (1- x )^ n -1 dx B ( m , n )= m n ( m + n ) array .= 2 5 / 2 (2+5 / 2) = 1 3 / 2 1 / 2 1 / 2 9 / 2 ( 1 / 2= )= 3 / 4 7 / 2 5 / 2 3 / 2 1 / 2 = 4 35