Question
Asked Jan 17, 2020
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Find a positive number for which the sum of it and its reciprocal is the smallest (least) possible.

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Expert Answer

Step 1

To find a positive number for which the sum of it and its reciprocal is the smallest possible.

Step 2

Calculation:

Let a >0 is the positive number.

Let the sum of a with its reciprocal 1/a is S.

So,

Calculus homework question answer, step 2, image 1
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Step 3

Differentiate S with ...

Calculus homework question answer, step 3, image 1
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Tagged in
MathCalculus

Derivative

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