Question

Examine whether the following number are rational or irrational. √7-2

Answer 1

Answer:

If we guess it is rational then we prove it rational

Root 7-2is rational the and a and b are integers and the fractions is a/b =

Root7-2=a/b

Root7 = a/b +2

Root7 = a+2b/b

So there is a contradiction. So it is rational

Hope it helps

Plz mark me as brainliest