akar 5 kali akar 8 =...?

Akar5 × akar 8
=akar 40
=akar(4×10)
=2akar10
Semoga membantu

Ans:
[tex]\sqrt{5}\times\sqrt{8}=\sqrt{40}=\sqrt{4\cdot10}=2\sqrt{10}[/tex]