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JEE Main Mathematics Definite Integration 2026 JEE Main 2026 (21 January Shift 1)

JEE Main Mathematics Question (2026) — Solution

Question

The value of _ - / 6 ^ / 6 ( +4 x^ 11 1- (|x|+ / 6) ) d x is equal to:

Options

  1. A. 8
  2. B. 6
  3. C. 2
  4. D. 4

Answer

D. 4

Step-by-step solution

Split: _ - /6 ^ /6 1 - (|x| + /6) dx + _ - /6 ^ /6 4x^ 11 1 - (|x| + /6) dx. Second integral = 0 (odd function over symmetric interval). First integral: 2 _ 0 ^ /6 1 1 - (x + /6) dx. Let u = x + /6: = 2 _ /6 ^ /3 1 1 - u du. 1 1- u = ^2 u + u u. = 2 [ u + u]_ /6 ^ /3 = 2 [( 3 +2) - 3 ] = 4 .

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Related: Mathematics — Definite Integration · All PYQ Banks