What is conjugate of $3i$ ?

Question

2713 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-11-04T20:07:24

$-3i$

For any complex number in rectangular form $z=x+iy$ , the complex conjugate is given by $bar z = x-iy$ .

Note that $z bar z = x^2 + y^2 in RR$

What is conjugate of 3i3i?