Question

4
Show that 7+ v7 is an irrational
number (Non-anonymous question )
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Answer 1

Answer:

yes it is an irrational number as it cannot be written in p/q form q is not equal to 0.

7+√7 = p/q

√7 = p+7q/q

where

√7 is irrational p+7q/q is rational

Since,rational not equal to irrational.

This is a contradiction.

so 7+√7 is irrational