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Pre-calculus/trig

 May 10, 2019
 #1
avatar+111394 
+1

The conjugate of  a - bi  =   a + bi

 

Can you take it from here, Cupcake   ????

 

 

cool cool cool

 May 10, 2019
 #2
avatar+315 
+1

Yea, I guess I can

Cupcake  May 10, 2019
 #3
avatar+315 
+1

Sorry! I meant to get back with you on this question... I believe the answer is D. 5 + 4i

 

I believe you have to switch the sign of the imaginary part (the part with the i).

 

a + bi is a - bi–– technically how you evaluated yours 

 

the conjugate... 5 - 4i is 5+4i 

 

Am I correct? 

Cupcake  May 11, 2019
 #4
avatar+111394 
+1

Good job, CC!!!

 

 

cool cool cool

CPhill  May 11, 2019

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