Question

Find the difference between (7 - 3i) and (5 -7i)

Answer 1

Answer on Question #58280 – Math – Complex Analysis

Question

Find the difference between (7-3i) and (5-7i).

Solution

$$(a_1 + b_1 i) - (a_2 + b_2 i) = (a_1 - a_2) + (b_1 - b_2) i.$$

Thus,

$$(7 - 3i) - (5 - 7i) = (7 - 5) + (-3 - (-7)) i = 2 + (-3 + 7) i = 2 + 4i.$$

Answer: $2 + 4i$.

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