CBSE Class 10 Answered
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Son's age = x
Father's age = x2
After 5 years,
x + 5 = x2
x2 + 5 = 4x
Solving equation 1, we get
x2- x - 5 = 0
x2- 4x - 5 = 0
These are two different equation. Hence a contradiction.
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