Question

prove that root 5 is an irrational number hence show that - 3 + 2 root 5 is an irrational number.

Plzz write correct answer....​

Answer 1

Answer:

Say, √5 is a rational number. ∴ It can be expressed in the form p/q where p,q are co-prime integers. Hence, p,q have a common factor 5. ... This proves that √5 is an irrational number.

Step-by-step explanation:

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