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10+15i-15i-9i^2 write in a+bi
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2 votes
10+15i-15i-9i^2 write in a+bi

User Dharmesh Goswami
by
8.5k points

2 Answers

0 votes

Answer:

19

Explanation:

10+15i-15i-9i^2

Simplify the expression

10-9i^2, simplify i^2 =-1,

10-9(-1)

10+9

19

User Reddirt
by
7.1k points
3 votes

Answer: −7 41 + 2241i.

Explanation:

User Andreaplanet
by
7.2k points
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