The difference between squares of two numbers is 120.The square of smaller number is twice the greater number.Find the numbers.
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we have two numbers a&b such that a>b
Given that,
a² - b² = 120 -(1)
b² = 2a. -(2)
Substituting (2) in (1) we get
a²−2a−120=0
→ a²− 12a + 10a − 120 = 0
→ a (a−12) + 10(a−12) = 0
→ (a+10) (a−12) = 0
→ a = 12
b = √2 × 12 = 2√6
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