Question

can √5 • √5k ?

Answer 1

help me plz

Answer 2

do you mean \(\sqrt 5\cdot\sqrt{5k}\)? or \(\sqrt 5\cdot\sqrt{5}k\)?

Answer 3

the first one

Answer 4

the square root of a product is equal to the product of the square roots
\[\sqrt{5k}=\sqrt5\cdot\sqrt k\]

so you have

\[\sqrt5\cdot\sqrt{5k}\\=\sqrt5\cdot\sqrt{5}\cdot\sqrt{k}\\=(\sqrt5\cdot\sqrt{5})\cdot\sqrt{k}\\=\quad\dots \]

Answer 5

it equal to 5√k ?

Answer 6

\[5\sqrt{k}\]

Answer 7

YEs!

Answer 8

ok thanks