What is the complex conjugate of #5+3i#? Precalculus Complex Numbers in Trigonometric Form Division of Complex Numbers 1 Answer Daniel L. Oct 1, 2016 #5-3i# Explanation: The complex conjugate of a number #a+bi# is a number with opposite imaginary part: If #z=a+bi# then #bar(z)=a-bi#, so here the conjugate is #5-3i# Answer link Related questions How do I graphically divide complex numbers? How do I divide complex numbers in standard form? How do I find the quotient of two complex numbers in polar form? How do I find the quotient #(-5+i)/(-7+i)#? How do I find the quotient of two complex numbers in standard form? What is the complex conjugate of a complex number? How do I find the complex conjugate of #12/(5i)#? How do I rationalize the denominator of a complex quotient? How do I divide #6(cos^circ 60+i\ sin60^circ)# by #3(cos^circ 90+i\ sin90^circ)#? How do you write #(-2i) / (4-2i)# in the "a+bi" form? See all questions in Division of Complex Numbers Impact of this question 3762 views around the world You can reuse this answer Creative Commons License