Question

express complex number x1= 5+i÷2+3i in the foam a+ib express z in polar form​

Answer 1

Answer:

z= (5+i)/2+3i

multiplying and dividing by 2-3i

z= (5+i)(2-3i)/4-9(-1) [ since i square = -1]

so, z= [10-15i +2i-3(-1)] / 13

z= [13-13i]/13

z= 1-1i

where a=1&b=1