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What is the distance between z 1 = 2 + 9i and z 2 = 2 - 4i?

User Zaxme
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1 Answer

2 votes
Distance formula: SR (A^2+B^2)
SR [(2+9i)^2 + (2-4i)^2] =
SR [4 + 18i + 81i^2 + 4 - 8i + 16i^2] =
SR [8 + 10i + 97i^2]
User Prinzhorn
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