Class 12 Applications Of Derivatives · Mcq Single Correct1 Marksmonotonicity
Class 12 Maths · Applications Of Derivatives · Mcq Single Correct #2
For f(x)=x²−4x+6, identify the maximal open interval where f′(x)>0.
✅ Step-by-Step Solution
Final Answer: Option (B): (2,∞)
- f′(x)=2x−4>0 precisely for x>2.
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The least value of f(x) = x³ − 12x, x ∈ [0, 3] is