If the coefficients of $x$ and $x^2$ in $(1+x)^p (1-x)^q$ are $4$ and $-5$ respectively, then $2p + 3q$ is equal to

JEE Main 2023 · MathsMultiple choiceSingle correctMediumMulti-step

JEE Main 10 April 2023, Shift 2, Maths Q6

Question 6 of 90 in this shift, Maths question 6 of 30, Section A.

If the coefficients of

x

and

x^2

(1+x)^p (1-x)^q

are

4

and

-5

respectively, then

2p + 3q

is equal to

Official answer

Option 2

NTA final key.