Question

Please answer 67 question

Answer 1

option c is the answer okk

Answer 2

ans is d right using trick i solved ok

question of NDA

first you see option in such problem

because differentiation is inverse of intigration

by seeing -ve sign a and b is wrong

now there is no multiple of 3 so we C is also wrong

now differentiate d ( for confrm if you have time then only) you get same result given in question)

so d is right