Question

prove that 2+√7 is irrational​

Answer 1

Answer:

Step-by-step explanation:

Rational numbers can be expressed in the form p/q, where p and q are co-prime and q≠0

➡2√7 = a/b

➡√7 = a/2b

Here , √7 is an irrational number but a/2b is an rational number

Since , irrational ≠ rational

Thus , our assumptions is wrong

Hence , 2√7 is an irrational number

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