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Prove that root 5 +3is irrational

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Prove that root 5 +3is irrational
  • 2 answers

Harshit Singh 6 years, 10 months ago

Root 5+3 integer not Co-prime

Khushboo Giri 6 years, 10 months ago

Let √5+3 be rational number say p/q where q is not equal to zero and p & q are coprime. √5+3=p/q √5=p/q-3 √5=p-3q/q √5 is irrational and p-3q/q is rational. Therefore our supposition is wrong. √5+3 is irrational.
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