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Most Important Selected Qs for JEE AdvancedMathematicsTrigonometry

If _ m=1 ^6 ( +(m-1) 4 ) ( + m 4 )=4 2 , where (0, ) then can be:

Options

  1. A12
  2. B6
  3. C5 12
  4. D3

Correct answer

C. 5 12

Step-by-step solution

_ m=1 ^6 ( +(m-1) 4 ) ( + m 4 )=4 2 On solving, we get 2 = 1 2 Hence, 2 = 6 or 5 6 = 12 or 5 12

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