Prove that root 5 +3is irrational
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Root 5+3 integer not Co-prime
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.