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Sagot :
Answer:
See below
Step-by-step explanation:
So, on the complex plane, we see that [tex]z_1=2+1i[/tex]
Therefore, [tex]z_1+z_2=(2+1i)+(6-3i)=8-2i[/tex]
Since we added the complex numbers, we can see that the real part of [tex]z_1+z_2[/tex] is 8 and the imaginary part of [tex]z_1+z_2[/tex] is -2. Remember that complex numbers are written in the form of [tex]a+bi[/tex], so either the real or imaginary part can both be negative.
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