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.

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,

Step 3

Differentiate S with ...

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