if √2 is rational number then State wether 2√2 is rational or irrational
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2 root 2 is also an irrational number
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Answer:
Step-by-step explanation:
Given
√2 is irrational
Let a is rational
Also 2√2 is ralional
So,
a= 2√2
a/2= √2
L.H.S =rational
R.H.S= Irrational
L.H.S not = R.H.S
Whis is contruduction
Hence 2√2 is irrational
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