Ask Question
7 June, 03:25

Find two positive numbers whose product is 225 and whose sum is a minimum

+2
Answers (1)
  1. 7 June, 04:00
    0
    Let S = x + y.

    Since xy = 225, y = 225/x.

    Substitute into the sum to get S = x + 225/x.

    Then S' = 1 - 225/x^2, implying that 15/x = 1.

    Then x = 15.

    The other number is also 15.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Find two positive numbers whose product is 225 and whose sum is a minimum ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers