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maggmika4kate
maggmika4kate maggmika4kate
  • 13-07-2016
  • Mathematics
Answered

Simplify the given expression.. (-3 + 2i) • (2 + i) . . a. -8 + i. b. -6 + 3i. c. -3 + 4i. d. -1 + 2i.

Verified Answer :

caylus
caylus caylus
  • 13-07-2016

Hello,

(-3+2i)(2+i)=-6+4i-3i-2=-8+i

Answer A

Answer Link
taskmasters
taskmasters taskmasters
  • 16-07-2016

We are given the expression;

 (-3 + 2i) • (2 + i) 

To solve, we need to follow the rule for the basic operations which is PEMDAS.

We first distribute the terms in the parentheses.
 (-3 + 2i) • (2 + i) = -6-3i + 4i - 2 = -8 + i

Therefore, the correct answer is option A.

Answer Link

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