Respuesta :

To add or subtract two complex numbers, the real part is added or subtracted from real part and the complex part is added to or subtracted from complex part as shown below:

(11 - 7i) - (16 - 11i)

= 11 - 7i - 16 + 11i

= -5 + 4i

So, the answer to this question is option B
carlosego
To solve this problem you must apply the proccedure shown below:

 1. You have the following expression:

 (11-7i)-(16-11i)

 2. If you want to substract both terms, you obtain:

 11-7i-16+11i
 (11-16)+(-7+11)

 3. Then, you obtain the following result:

 -5+4i

 4. Therefore, as you can see, the correct answer is the second option (option B), which is:

 B. -5+4i

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