AP EAMCET · Maths · Application of Derivatives
Given , if changes from to , then the approximate change in the value of is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Let, y=x3-4x, Since, we have x=2 and ∆x=-0.01 Now, dydx=3x2-4 ⇒dydxx=2=3x2-4x=2=8 So, ∆y=dydx∆x=8×-0.01=-0.08
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