Let 2 < x < be such that x = -5 11 . Then ( 11x 2 )( 6x - 6x) + ( 11x 2 )( 6x + 6x) is equal to

JEE Advanced 2024 Mathematics question

Let be such that . Then

()( 6x - 6x) + ()( 6x + 6x)

is equal to

Answer: (B)

Regroup: . With in the second quadrant, . Since $

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Question ID VK-034166