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Standard X
History
Rise of New Leaders
If for a func...
Question
If for a function f(x), f(a) = 0, f'(a)=0, f"(a) > 0, then at x = a, f(x) is
[MP PET 1994; Pb. CET 2002]
A
Minimum
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B
Maximum
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C
Not an extreme point
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D
Extreme point
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Solution
The correct option is
B
Maximum
We have seen that if at x = a, f'(x) = 0, and f"(x)> 0, then we have a minimum at f(a).
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