Write the sum or difference in the standard form a + bi.

(4 - 2i) + (9 + 6i)

Question

Mathematics

Dennis Randall

6 June, 11:55

Write the sum or difference in the standard form a + bi.

(4 - 2i) + (9 + 6i)

+2

Answers (1)

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Gerald Figueroa · Answer 1

(4-2i) + (9 + 6i) =

4-2i + 9 + 6i=

13 + 4i

The importance here is to sum real number with real numbers and imaginary number with imaginary numbers. Do not mix them. Imaginary number is the number that has "i" next to it.

Write the sum or difference in the standard form a + bi.(4 - 2i) + (9 + 6i)

Write the sum or difference in the standard form a + bi.

(4 - 2i) + (9 + 6i)