Practice problem
Simplify: 3i6+4i\frac{3i}{6+4i}6+4i3i
12+18i6+4i\frac{12+18i}{6+4i}6+4i12+18i
12+18i6−4i\frac{12+18i}{6-4i}6−4i12+18i
12+18i52\frac{12+18i}{52}5212+18i
12+18i20\frac{12+18i}{20}2012+18i
Type a concept, like “slope” or “photosynthesis”.
