The value of the limit _ x 2 4 2 ( 3x + x) (2 2x 3x 2 + 5x 2 ) - ( 2 + 2 2x + 3x 2 ) is _____

JEE Advanced 2020 Mathematics question

The value of the limit

Answer: 8

Numerator: . Denominator: use . Then \cos$ x2-)+(-)-2(1+2x) = 2 x

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Question ID VK-033827