Question

Which of the following is the correct notation for the complex number 93+sqrt-75

a. 93+3i sqrt5
b. 93-3i sqrt5
c. 93+5 sqrt3
d. 93+5i sqrt3

Answer 1

if you factor 75, what does it give you?

Answer 2

to factor it, start off with small numbers, say 2 or 3
and continue, till it can't
then try another small number

Answer 3

5^X3

Answer 4

First we rewrite 75 as 5^2*3
\[93+\sqrt{5^{2}*3}\]
then pull terms out from under the radical
what do we get?

Answer 5

@Omgthatgirl

Answer 6

93 sqrt 75? @jagr2713

Answer 7

@jagr2713