+0

# Square roots

0
221
2

What is the rule for the negative sign in the square root and how do you find the answer?

$$\sqrt[5]{-243}$$

Jan 18, 2018

#1
+96055
+3

Note that  we can express this as

5√ [ (-3) (-3) (-3) (-3) (-3) ]   =

- 3

Jan 18, 2018
#2
+1

Thanks a lot

Jan 18, 2018