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06-09-2019
Mathematics

contestada

Find the difference (6+3i)-(-7-4i)

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KrystaCort KrystaCort

12-09-2019

Answer:

13 + 7i

Step-by-step explanation:

We have given complex number

The difference of given complex number is:

(6 + 3i) - ( -7- 4i) = {6 - (- 7)} + {3 -( - 4)}i

⇒ 13 + 7i

Since the difference of two complex number (a + ib) and (c + id) is:

(a - c) + i(b - d)

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