Question

The conjugate of (1 + 2i)(2 - 3i) is 1) -4+i
2) -4-i
3) 8+i
4)8 - i​

Answer 1

Answer:

(2-3i)+ (4i-6i^2)

2-3i+4i+6. (i^2=-1)

2+6+i

8+i

3 option is right