Question

How do you multiply `sqrt8*sqrt4`?

Answer 1

In general `sqrt(a)*sqrt(b) = sqrt(a*b)`

`sqrt(8)*sqrt(4)`
`color(white)("XXXX")` `=sqrt(8*4)`

`color(white)("XXXX")` `= sqrt(4*2*4)`

`color(white)("XXXX")` `=4sqrt(2)`