a Minimum At x= 1 Is The Value Of a is

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Question

a minimum at x= 1 is the value of a is

easy

Solution

Correct option is

None of these

Clearly 2x has its minimum value at x = 1 for x ≥ 1 and that value is 2.

Now if

Which is not possible as

So,

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SIMILAR QUESTIONS

Q1

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Q2

Total number of critical points of f (x) = maximum (sin x, cos x) ∀ x Ïµ (–2π, 2π) equal to

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Q3

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Q4

As an example consider the function f (x) = – (–x)^5/5, –1 ≤ x ≤ 0. Then at (0, 0) f (x) has

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Q5

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Q6

then f’(0) is equal to

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Q7

Local minimum at x = 2, then

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Q8

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Q9

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Q10

Assuming that be petrol burnt in a motor boat varies as the cube of its velocity, the most economical speed when going against a current of ckm/hr is

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