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JEE Main 21 Jan 2026 Shift 2 Paper Solved Paper

Section: Mathematics

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Question : 24

Total: 75

If

4cot−1(1−2x+4x2)‌dx=atan−1(2)−bloge(5), where a,b∈N, then (2a+b) is equal to

[21 Jan 2026 Shift 2]

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