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29-10-2017
Mathematics

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for [tex]i= \sqrt{x} 1[/tex] what is the sum of (7+3i) + (-8+9i)?

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Аноним Аноним

29-10-2017

add the real part and imaginary parts separately:-

answer is 7 + -8 + 3i + 9i

= -1 + 12i

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