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Mathematics 19 Online
OpenStudy (anonymous):

Simplify the expression. ( I will attach pictures . ) *

OpenStudy (anonymous):

OpenStudy (anonymous):

except 1st all other are similar...so just separate real and imaginary parts.

OpenStudy (anonymous):

(31+i)/26 = 31/26 +(31/26)i

OpenStudy (anonymous):

u have any idea for 1st one?

OpenStudy (anonymous):

in the first equation multiply numerator and denominator both by (-5-i) and take i^2=-1. In the denominator i will disppear. Hope this helps.

OpenStudy (anonymous):

sorry not the first equation but EXPRESSION

hero (hero):

Multiply each by their conjugates

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