Mathematics MCQ - Calculus

11 Minimum point of the function

Minimum point of the function

is at

A
x=1
B
x= -1
C
x=0
D
x= 1/√3

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Correct AnswerOption A

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f'(x)= x²-1 For maximum and minimum value, f'(x) = 0 ∴ x² -1= 0 x = ± 1 Again f(x) = 2x At x = 1, f '(x) = 2 > 0 f '(x) = -2 < 0 Hence minimum at x = 1

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is equal to

A
0
B
∞
C
1
D
-1

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Correct AnswerOption A

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