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IF (f(x))^4 = f((4x)), then (f'(4x))/(f'...

IF `(f(x))^4 = f((4x)),` then `(f'(4x))/(f'(x))=` (i)`f(x)/f(4x)` (ii)`f(4x)/f(x)` (iii)`f(x)f(4x)` (iv)`0`

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