Answer:
An irrational number is a real number that cannot be expressed as a ratio of integers, for example, √ 2 is an irrational number. Again, the decimal expansion of an irrational number is neither terminating nor recurring.
Step-by-step explanation:
An Irrational Number is a real number that cannot be written as a simple fraction: 1.5 is rational, but π is irrational.
√2, √3, √5, √11, √21, π(Pi) are all irrational.
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