Limits, Continuity and Differentiability Part 3

Section: Mathematics

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Question : 23 of 69

Marks: +1, -0

If

lim

x⟶0

‌

cos(2x)+a‌cos(4x)−b

x4

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

[2 Apr 2025 Shift 2]

‌
1
2
‌
3
4
-1
0

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