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There are four different fourth roots of 16. That is, there are four complex numbers that can go in the black square in the equation below:Find them.

 

4 = 16

 Sep 29, 2019
 #1
avatar+19822 
+2

See this:

https://web2.0calc.com/questions/help-pls_68

 Sep 29, 2019
 #2
avatar+19822 
+2

x4 =16

x2 = +-4

x = +- sqrt (+4)   and +- sqrt(-4)

    = +-2             and  +- 2i

 Sep 29, 2019

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