Question

CBiWhat is the value of Tti?02-61O2 + 603-310 3+31

Answer 1

If we multiply in numerator and denominator by the complex conjugate of 1+i, we have

$\frac{6i}{1+i}\times\frac{1-i}{1-i}$

which gives

$\frac{6i+6}{2}$

then, the answer is

$3+3i$

which corresponds to the last option