If the difference of two numbers is 8
Asked by admin @ in Math viewed by 371 People
If the difference of two number is 8 and the difference of their squares is 160 then the numbers are
Asked by admin @ in Math viewed by 371 People
If the difference of two number is 8 and the difference of their squares is 160 then the numbers are
Answered by admin @
Answer:
The two numbers are 6 and 14
Step-by-step-explanation:
Let the two numbers be x and y
Given,
x - y = 8...... i)
&
x² - y² = 160.......ii)
From equation i), we get
x = y + 8
Now, by putting this value in equation ii)
(y + 8)² - y² = 160
☛ y² + 16y + 64 - y² = 160
y² and -y² gets cancelled as their sum will be zero
☛ 16y + 64 = 160
☛ 16y = 160 - 64
☛ 16y = 96
☛ y = 6
Now, putting the value of y as 6
x - y = 8
☛ x - 6 = 8
☛ x = 8 + 6
☛ x = 14
∴
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