Question

express 9/4+3i in the form of a+ib​

Answer 1

Step-by-step explanation:

$\frac{9}{4 + 3i} \\ \\ Rationalising \: the \: denominator \\ \\ \frac{9}{4 + 3i} \times \frac{4 - 3i}{4 - 3i} \\ \\ \frac{9(4 - 3i)}{ 16 - 9 \times (-1)} \\ \\ \frac{36 - 27i}{25} \\ \\ a = \frac{ 36}{25} \: \: and \: \: b = \frac{ -27 }{25}$

Answer 2

Answer:

Step-by-step explanation: