Question

Simplify

Answer 1

Hint: \(\large\color{black}{ \displaystyle 8=4\times 2 }\)

Answer 2

B?

Answer 3

you are taking the square root of the 4,

\(\large\color{black}{ \displaystyle \sqrt{8}=\sqrt{4}\times \sqrt{2} }\)
(like this)

Answer 4

\(\large\color{black}{ \displaystyle \sqrt{4} }\) is equal to what ?

Answer 5

2

Answer 6

oh 4

Answer 7

yes, so
\(\large\color{black}{ \displaystyle \sqrt{4}\times \sqrt{2} }\)
is same as
\(\large\color{black}{ \displaystyle 2\times \sqrt{2} }\)

Answer 8

\(\large\color{black}{ \displaystyle 2 \times 2=4 }\) but, \(\large\color{black}{ \displaystyle 2\times \sqrt{2}\ne4 }\)

Answer 9

D

Answer 10

yup

Answer 11

thanks