UPSC NDA II 2025 Mathematics Paper

Question : 100 of 120

Marks: +1, -0

Consider the following statements:
Statement-I: The function f(x)=‌

x3+128

has a minimum value 48 at x = 4
Statement-II: As x increases through 4, f'(x) changes sign from positive to negative.
Which one of the following is correct in respect of the above statements?

Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
Both Statement-I and Statement-II are correct but Statement-II does not explain Statement-I
Statement-I is correct but Statement-II is not correct
Statement-I is not correct but Statement-II is correct

Validate

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