Question

Solve the following question (CA Foundation)

Answer 1

Answer:

3.f'(2)

Step-by-step explanation:

Some formulas used are mentioned in brackets in left side

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Answer 2

f(x)=x^2-6x+8
Therefore, f’(x)=2x-6
f’(5)-f’(8)=2*5-6-2*8+6=10-16=-6
f’(2)=2*2-6=4-6=-2
Therefore, f’(5)-f’(8)=3f’(2)
Option b