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If f (x +y) = 2 f (x) .f(y) such that f ...

If `f (x +y) = 2 f (x) .f(y)` such that `f '(0) 3 and (4) = 2 ` find `d'(4).`

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AAKASH SERIES-DIFFERENTIATION -ADVANCED SUBJECTIVE TYPE QUESTIONS
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  14. If f (x) has a derivative at x =a then find Lt (x to a) (x f (a) - a f...

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  16. Show that the function f (x) = (x)/(1 + |x| ) , x in R, is differentia...

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  18. If f (x) = (x -1)/( 2x ^(2) - 7x + 5) for x ne 1, f (1) = (-1)/(3), fi...

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  19. For the function f(x)=(x^(100))/(100)+(x^(99))/(99)+….+(x^(2))/(2)+x...

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  20. If f (x) = f ^(1) (x) + f ^(11) (x) + f ^(111) (x) +........oo then f...

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