Question

15 is irrational number​

Answer 1

Answer:

15= a^2/b^2. c =15/b. 15 divided both a and b which is a contradiction. ie, √15 is irrational

Answer 2

Answer:

Because if we expand it will come as root 3 and 5 3 and 5 are irrational numbers so if we multiply the answer is irrational number.

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