Question

Which of them is an irrational number? (a) 2-√5 /7√7 (b) √4 (c) √64​

Answer 1

Answer:

(a) 2-√5................???

Answer 2

${\tt{\green{\underline{\underline{\huge{ANSWER:—}}}}}}$

$\frac{2 - \sqrt{5} }{7 \sqrt{7} } is \: an \: irrational \: number$