Question

show that (√3+√5)^2 is an irrational number

Answer 1

$3 + 5 + 2 \times \sqrt{3 \times 5} \\ 8 + 2 \sqrt{15}$
and root 15 is an irrational number

Answer 2

Heyaa☺
_________________________

➡(_/3+_/5)^2

=》 3 + 5 + 2_/3_/5

=》8 + 2_/15

let,

=》(a)^2

a^2-8=2_/15

=》(a^2-8)/2

=_/15

➡_/15 is an irrational number.

Hence proved.

_________________________

Hope you understand..✌
#BeBrainly❤