the number x is 2 more than the number y if the sum of square of x and y is34 find the product of x and y
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3
Answer:
The product of x and y is 15.
Hope this helps you!
Step-by-step explanation:
"x is 2 more than the number y" : x = y+2
"the sum of the squares of x and y is 34" : x² + y² = 34
x = y + 2
=> x - y = 2
=> ( x - y )² = 4
=> x² + y² - 2xy = 4
=> 34 - 2xy = 4 [ using x² + y² = 34 ]
=> 2xy = 34 - 4 = 30
=> xy = 15
Answered by
3
Answer:
Step-by-step explanation:
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