Math, asked by agrwalvansh17, 1 month ago

Express the given complex number in the form of a + ib , (3-6i)(3+9i)-24

Answers

Answered by Anonymous

0

Answer:

I don't know what you mean by by

Answered by shifaalam

4

Given, 3(7+7i)+i(7+i7)

=21+21i+7i+7i

2=21+28i+7×(−1),[∵i 2 =−1]=14+28i=a+ib,

where a=14,b=28

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