what is the answer? 2

Mathematics
Tutor: None Selected Time limit: 1 Day

Mar 1st, 2015

sqrt(-9) / (-2 - i)

Multiply by the complex conjugate (-2 +i)

Remember that the sqrt(-9) = sqrt(9*-1) = 3i

3i(-2+i) / (4 - i^2)

(-6i --3) / (5)  (A)

Mar 1st, 2015

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