jjinxsmomma
jjinxsmomma jjinxsmomma
  • 10-11-2018
  • Mathematics
contestada

divide the following complex numbers: (1+i)/(2-5i) ??

divide the following complex numbers 1i25i class=

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Rinkhals
Rinkhals Rinkhals
  • 10-11-2018

Given : [tex]\frac{(1 + i)}{(2 - 5i)}[/tex]

Multiplying and Dividing with (2 + 5i)

[tex]\implies\frac{(1 + i)(2 + 5i)}{(2 - 5i)(2 + 5i)}[/tex]

[tex]\implies \frac{(2 + 5i + 5i^2 + 2i)}{(4 - 25i^2)}[/tex]

We know that i² = -1

[tex]\implies \frac{(2 + 7i - 5)}{(4 + 25)}[/tex]

[tex]\implies \frac{-3 + 7i}{29}[/tex]

[tex]\implies \frac{-3}{29} + \frac{7}{29}i[/tex]

Option C is the Answer

Answer Link
andrewpl6002 andrewpl6002
  • 02-12-2020

Answer: -3/29 + 7/29 i

Step-by-step explanation:

Answer Link

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