Question

Show that 2√2 is an irrational number

Answer 1

Answer:

LET US ASSUME THAT 2√2 IS A RATIONAL NUMBER. now, a and b are integers, therefore, a/2b must be a rational number. so, √2 should also be a rational number. but it is not possible because √2 is an irrational number

Answer 2

Answer:

Answer of above question in attached pic.

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