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Which expression is equivalent to (2+7i)+(5-4i)? -3+11i 7+3i 1+9i 10-28i
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Which expression is equivalent to (2+7i)+(5-4i)?
-3+11i
7+3i
1+9i
10-28i

User Shreya
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7+3i - the answer ......
User Santeau
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