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JEE Advanced Mathematics question

MathematicsBinomial TheoremJEE Advanced

Let . STATEMENT-1: STATEMENT-2: and

Answer: (B)

Solution

**Statement-1:** Put and add. Since if and otherwise,

+ + + = + (1+ω + (1+ω^ = + (-ω^ + (-ω = + 1 + 1,

(as ). So the sum $=

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Question ID VK-110321