aliasmith415 aliasmith415
  • 18-08-2021
  • Mathematics
contestada

Help please.
Simplify: 5i/ 3 + 2i

Help please Simplify 5i 3 2i class=

Respuesta :

selmanmusaoglu selmanmusaoglu
  • 18-08-2021

Answer:

10+15i/13

Step-by-step explanation:

This question is about complex numbers.

so,

in this type of questions we have to multiply this fraction by the conjugate of the denominator

   conjugate of the denominator is  3-2i

    1)    5i(3-2i)/(3+2i)(3-2i)

   

    2) 15i-10i^2/9-4i^2   ( we know that i^2 = -1 )

    3) 15i+10/9+4

 

     4) 15i+10  / 13

   

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