Question

$show \: that \: (5 - \sqrt{3} ) \: irrational. \:$

Answer 1

5 is rational √3 is irrational -√3 is also irrational ...
sum of rational and irrational is irrational ...
5-√3 is irrational

Answer 2

Refer to the image .. I hope it helps ...if it asks for more than 2 marks then u have to show root 3 also as an irrational no....