Browse · MATH Print → jmc algebra intermediate Problem If Q=11−5i, E=11+5i, and D=2i, find Q⋅E⋅D. Solution — click to reveal QED=(11−5i)(11+5i)2i=2i(121−(5i)2)=2i(121+25)=292i. Final answer 292i ← Previous problem Next problem →