Question

-4-3i
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2-i

Answer 1

multiply top and bottom by the conjugate of the denominator, which is \(2+i\)

Answer 2

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

Answer 3

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

Answer 4

ikr wtp?

Answer 5

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

Answer 6

i need help!

Answer 7

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)

Answer 8

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