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inysia [295]
3 years ago
9

Which is irrational?

Mathematics
1 answer:
sladkih [1.3K]3 years ago
5 0

Answer:

  (b)  √5

Step-by-step explanation:

The square root of an integer is rational if the integer is a perfect square. You probably know the first few perfect square integers are 1, 4, 9, 16, 25, 36, ...

The integer 5 is not on that list, so its square root will be irrational.

  √5 is irrational

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