The conjugate of 13+4i is
The conjugate of 13+4i
Multiply numerator and denominator with 3-4i
13+4i=3-4i3+4i3-4i=3-4i32+42=3-4i25=3-4i25
Therefore, the conjugate of 13+4i is 3-4i25
Determine whether the following numbers are in proportion or not:
13,14,16,17