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The sum of two nonnegative numbers is 50. What is the maximum value of the product of these two numbers ?

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9 votes

Answer:

625

Explanation:

Let two number be x and (50-x).

The product of numbers be x(50-x).

P = 50x-x²

For maximizing the product,


(dP)/(dx)=0\\\\(d)/(dx)(50x-x^2)=0\\\\50-2x=0\\\\50=2x\\\\x=25

So, the maximum product, P = 50(25)-(25)²

P = 625

Hence, the maximum value of the product of these two numbers is 625.

User Nandanself
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