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polet [3.4K]
3 years ago
13

Simplify the given expression.. . (7 − 3i) • (2 − i). . 4 + i. . 14 + 3i. . 11 − 13i. . 14 − 10i

Mathematics
2 answers:
Mila [183]3 years ago
3 0
The correct answer for this question is 11 - 13i.
This is how to answer this one:

(7 - 3i) (2 - i)
= [ (7*2) - (3i*2) - (7*i) + (3i*i) ]
Get the product of each term
= (14 -6i - 7i + 3i^2)

Group similar terms
= 14 - 13i - 3

Simplify.
= 11 - 13i

Side solution:
i = square root (-1)
i^2 = -1
sveticcg [70]3 years ago
3 0

Answer:

11 − 13i

(just took the quiz)


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