Question

Find the polar form of the complex number 1+2i/1-3i

Answer 1

Answer:

arg(z)=θ=(π-α)=(π-π4)=3π4. Thus, r=|z|=1√2andθ=3π4. Hence, the required polar form is z=1√2(cos3π4+i sin3π4).

Answer 2

Answer:

1 + ((2 * i) / 1) - (3 * i) =

1 - i

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