OpenStudy (anonymous):

-4-3i ---------- 2-i

5 years ago
OpenStudy (anonymous):

multiply top and bottom by the conjugate of the denominator, which is $$2+i$$

5 years ago
OpenStudy (anonymous):

this always works because $$(a+bi)(a-bi)=a^2+b^2$$ a real number

5 years ago
OpenStudy (saifoo.khan):

@satellite73 , omg! you are back at 99. :O

5 years ago
OpenStudy (anonymous):

ikr wtp?

5 years ago
OpenStudy (anonymous):

i had over ten thousand medals, countless hours and answers. now i am no longer a legend, just a guru. jesus

5 years ago
OpenStudy (anonymous):

i need help!

5 years ago
OpenStudy (lgbasallote):

satellite..how do you do latex in line with the text? might i ask? @lunsfordc11 like @satellite73 said..multiply the numerator and denomiator by 2+i to get a difference of two squares which is (2^2 - i^2)

5 years ago
OpenStudy (anonymous):

i didn't get that answer. it will be nice to get help step by step

5 years ago