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Let f : R → R be a continuously differentiable function such that f

1. = 6 and f
2. = . 48 1 If ∫ − = f(x) 6 3 ), x ( g ) 2 x ( dt t 4 then ) x ( g Lim 2 x → is equal to :
3. 18
4. 36 (3) 12 (4) 24

Correct answer: = 6 and f

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