Question

(5-root3) (5+root3) is rational

Answer 1

${\blue{\bf{HolA!!}}}$

(5-√3)×(5+√3) is rational

We can use the identity:-

(a+b)(a-b)=a²-b²

to verify that...

Verification:-

(5)²-(√3)²

=25-3

${\pink{\bf{Answer :- 22}}}$

22 is a rational number...

hence we can say that (5-√3)(5+√3) is a rational number...

$<marquee>$#Bebrainly

Answer 2

5minus3 =2 hop it hlp