12th Class
Mathematics
Applications of Derivatives
Question Bank
Case Based (MCQs) - Derivatives
question_answer
Find the value of\[f'\left( 2 \right)\]
A)1
B)2
C)3
D)-1
Correct Answer:
D
Solution :
We have, From above, we have \[f'\left( x \right)=\frac{x}{2}-\frac{3}{2},\,x<1\] \[\therefore \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,f'\left( -1 \right)=\frac{-1}{2}-\frac{3}{2}=-2\]