Differentiation Question 294
Question: Given that $ \frac{d}{dx}f(x)=f’(x) $ . The relationship $ f’(a+b)=f’(a)+f’(b) $ is valid if $ f(x) $ is equal to
[AMU 2000]
Options:
A) $ x $
B) $ x^{2} $
C) $ x^{3} $
D) $ x^{4} $
Show Answer
Answer:
Correct Answer: B
Solution:
Trick: By option , $ 2(a+b)=2a+2b $ .
BETA
