JEE Main 2026 Model Paper 1

© examsiri.com

Question : 63 of 75

Marks: +1, -0

If

lim

x⟶0

‌

cos(2x)+a‌cos(4x)−b

x4

is finite, then (a+b) is equal to :

‌
1
2
0
‌
3
4
-1

Go to Question:

Prev Question

Next Question