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How to prove irrational

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How to prove irrational
  • 2 answers

Chētnà Pandey✌️ 5 years, 2 months ago

Let me tell u the format first with the help of an example I am taking √5 here:Let us assume that √5 is a rational number. we know that the rational numbers are in the form of p/q form where p,q are intezers. so, √5 = p/q      p = √5q we know that 'p' is a rational number. so √5 q must be rational since it equals to p but it doesnt occurs with √5 since its not an intezer therefore, p =/= √5q this contradicts the fact that √5 is an irrational number hence our assumption is wrong and √5 is an irrational number. hope it helped u ☺️

Anushka Jugran ? 5 years, 2 months ago

Firstly u need to assume that the given number is rational then u have to express it in the form of p/q. At last u will get a wrong equation which contradicts our assumption.
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