What number must we add to $3-5i$ to get $2+7i$? Here, $i^2 = -1.$
Question:
What number must we add to $3-5i$ to get $2+7i$? Here, $i^2 = -1.$
Answer:
Let's think step by step.

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-1+12i
What number must we add to $3-5i$ to get $2+7i$? Here, $i^2 = -1.$
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