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oee [108]
2 years ago
13

(6+9i)(6-9i) How to solve?

Mathematics
1 answer:
AlekseyPX2 years ago
5 0

~~(6+9i)(6-9i)\\\\=6^2-(9i)^2~~~~~~~~~~~~~~~~~~~;[a^2-b^2 =(a+b)(a-b)]\\\\=36-81i^2\\\\=36-81(-1)~~~~~~~~~~~~~~~~;[i^2 = -1]\\\\=36+81\\\\=117

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What’s the slope between (4,1)( 0,3)
adoni [48]

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4 0
3 years ago
Read 2 more answers
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goldfiish [28.3K]

Answer: there are three of the holidays

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7 0
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The Dowers make pumpkin pie. If each person wants three slices of pie, and each pie is Cut into 9 slices, how many pies do they
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The Dowers need to make 5 pies for 15 people.

Step-by-step explanation:

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The Dowers need to make 5 pies for 15 people.

Keywords: multiplication, division

Learn more about multiplication at:

  • brainly.com/question/4021035
  • brainly.com/question/4034547

#LearnwithBrainly

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What is the value of 34 square
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Question

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Which of the following expressions have a value of 180 when b=4?​
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