The sum of the squares of two numbers is 68 and the square of their difference is 36 What is the pro...........

Quantitative Aptitude (CGL) Number System

The sum of the squares of two numbers is 68, and the square of their difference is 36. What is the product of the two numbers?

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Explanation:

Let x and y are two numbers.
x^2+y^2=68………………….(1)
(x-y)^2=36……………………….(2)
x^2+y^2–2x.y=36 , put x^2+ y^2=68 fromeq.(1)
68–2x.y=36
-2x.y=36–68
-2x.y= -32
x.y=32/2=16

By: MIRZA SADDAM HUSSAIN

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The sum of the squares of two numbers is 68 and the square of their difference is 36 What is the pro...........

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Explanation:

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