if sum of two numbers is 490 and difference between their squares is 4900 then the numbers are
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15
X= 250
y=240
My handwriting might trouble you
y=240
My handwriting might trouble you
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gtaruntejash:
no problem
Answered by
10
According to the question
Let the two numbers be x and y
Then x+y=490------eq 1
x2 - y2 =4900
(x-y)(x+y)=4900
From eq 1
(x-y)(490)=4900
(x-y)=4900/490
(x-y)=10--------eq 2
Substitute eq 1&2
We get x= 250&y=240
Let the two numbers be x and y
Then x+y=490------eq 1
x2 - y2 =4900
(x-y)(x+y)=4900
From eq 1
(x-y)(490)=4900
(x-y)=4900/490
(x-y)=10--------eq 2
Substitute eq 1&2
We get x= 250&y=240
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