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If i = √-1, which of t he follow ing is equivalent to (2 - i)(3 - 2i) ?
  • a)
    8 -  7i
  • b)
    6 +  2i
  • c)
    6 -  6i
  • d)
    4 -  7i
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Ifi = √-1, which of t he follow ing is equivalent to (2 - i)(3 -...
(2 - i)(3 - 2i)
FOIL: 6 - 4i - 3i + 2i2
Substitute i2 = -1: 6 - 4i - 3i + 2(-1)
Combine like terms: 4 - 7i
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Ifi = √-1, which of t he follow ing is equivalent to (2 - i)(3 - 2i) ?a)8 - 7ib)6 + 2ic)6 - 6id)4 - 7iCorrect answer is option 'D'. Can you explain this answer?
Question Description
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