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Mathematics 20 Online
OpenStudy (anonymous):

Simplify the given expression. 3/4i

OpenStudy (cwrw238):

multiply top and bottom by 4i 3*4i / 4i*4i = 12i / -16 = -3i/4

OpenStudy (anonymous):

-3i/4

OpenStudy (anonymous):

3*-4i/4i*-4i

OpenStudy (anonymous):

the conjugate of 4i is -4i so you multiply numerator and denominator by -4i

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