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If for ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ ∈ 4 1 , 0 x , the derivative of ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ − − 3 1 x 9 1 x x 6 tan is ) x ( g x ⋅ , then g(x) equals :

1. 3 x 9 1 x x 3 −
2. 3 x 9 1 x 3 −
3. 3 x 9 1 3 +
4. 3 x 9 1 9 + Students may find similar question in CP exercise sheet : [ JEE Advance, Chapter : Differentiation, Page 25, Ex. 2, Q. No. 26 ]

Correct answer: 3 x 9 1 9 + Students may find similar question in CP exercise sheet : [ JEE Advance, Chapter : Differentiation, Page 25, Ex. 2, Q. No. 26 ]

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