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grade 11 · A2-006

Multiply complex numbers

Distribute complex factors and replace i squared with negative one before combining terms.

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Show what I knowFresh problem · seed 733388588

Multiply \((1 + 2i)(4 + 3i)\).

12i43ii²

Choose an answer\(4 + 6i\)\(-2 + 11i\)\(10 + 11i\)\(-2 - 5i\)

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Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.