Question

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Answer 1

Enjoy

a = 3/13

b= 2/13

Answer 2

Step-by-step explanation:

$\frac{1}{a + ib} = \frac{a - ib}{(a + ib)(a - ib)} \\ = \frac{a - ib}{ {a}^{2} + { b}^{2} } = \frac{a}{ {a}^{2} + {b}^{2} } - i \times \frac{b}{ {a}^{2} + {b}^{2} }$

a/a^2+b^2=3

=:3a^2+3b^2 - a=0 ----------------(1)

and,

b/a^2+b^2=2

=:2a^2+2b^2 - b=0 ----------------(2)

solving 1and 2 we will get, the answer..

find it yourself now