Prove that 2√3/5 is irrational num ber
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if possible, let 2√3/5 is rational number
=> 5/2×2√3/5 is also rational [ product of two rationals is a rational]
=> √3 is also a rational but this contradicts the fact that √3 is an irrational number .
hence , 2√3/5 is irrational number
if possible, let 2√3/5 is rational number
=> 5/2×2√3/5 is also rational [ product of two rationals is a rational]
=> √3 is also a rational but this contradicts the fact that √3 is an irrational number .
hence , 2√3/5 is irrational number
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