One or more of the alternatives are correct. Marks will be given only if all the correct alternatives have been selected and no incorrect alternative is picked up.
Which of the following improper integrals is (are) convergent?
Here $A),C)$ and $D)$ converges and $B)$ and diverges. Because $A),D)$ are definite integral and going to a particular value. So, converges.
Diagram for $C)$ https://www.desmos.com/calculator/ucekshhehy
So @srestha
if the answer is definite then it converges...
and for divergence ?