TS EAMCET · Maths · Limits
If then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
Given, fx=x2-16x-4 if x>42x if x≤4 ⇒fx=x+4 if x>42x if x≤4 Now differentiating with respect to x we get, ⇒f'x=1 if x>42 if x<4 So, f'4-+f'4+=2+1=3
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