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Question
Which of the following points is not on the line y = 5x + 3?
Options:
A .  (12,112)
B .  (13,143)
C .  (√8,3+10√2)
D .  (√2,313)
Answer: Option D
:
D
Even without calculations it is clear that (2,313) cannot lie on the liney = 5x + 3. If x is irrational, y must also be irrational. Option(d)

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