Question

Correct answer is 3. ​

Answer 1

Answer:

Explanation:

as it is given that the integration should give us 5

these types of questions can be solved using option substitution method

when you substitute a,b,c,d we get b as the answer .

as it is a small problem (according to JEE-Mains and Advanced ) option substitution is the best method

Hope it helps you.

But still i have solved the question

Mark as brainliest if you are satisfied with my answer.