prove that √2/3 is irrational
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let √2/3 is a rational number
√2/3= p/q q≠o
hcf of p ..q = 1
√ 2= 3p/q (1)
or squaring on both sides
(√2/3)²= p²/q²
2/9=p²/q²
√2/3= p/q q≠o
hcf of p ..q = 1
√ 2= 3p/q (1)
or squaring on both sides
(√2/3)²= p²/q²
2/9=p²/q²
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