Class 12 Applications Of Derivatives · Mcq Single Correct1 Marksmonotonicity
Class 12 Maths · Applications Of Derivatives · Mcq Single Correct #11
For f(x)=2x³−15x²+36x+6, identify all maximal open intervals on which f′(x)>0.
✅ Step-by-Step Solution
Final Answer: Option (A): (−∞,2) and (3,∞)
- f′=6(x−2)(x−3)>0 for x<2 or x>3. It is zero at 2 and 3.
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