AP EAMCET202018 Sep 2020Morning ShiftMathematicsIndefinite IntegrationActual
Evaluate ( ( k ) d k ) on ((0, ) )
Options
- A(2[ ( k )- k ( k )]+c )
- B(2[ ( k )+ k ( k )]+c )
- C(2[ k ( k )- k ( k )]+c )
- D(2[ ( k )- k ( k )]+c )
Correct answer
D. (2[ ( k )- k ( k )]+c )
Step-by-step solution
(I= ( k ) d k ) on (k (0, ) ) Put (k=t^2 d k=2 t d t ) ( aligned I & =2 t t d t & =-2 t t-2 1.(- t) d t (Integration by parts) aligned ) ( aligned & =-2 t t+2 t+c & =2[ ( k )- k ( k )]+c aligned )