If 4+ _ p=1 ^ 11 ^ -1 ( 2^ p-1 1+2^ 2p-1 )= , then tanα is equal to _______.

JEE Main 2026 Mathematics question

If , then tanα is equal to .

Answer: 2048

Each term equals − (telescoping). The sum from p=1 to 11

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Question ID VK-015508