Question

What is the conjugate of the product (2 - i)(1+2i)?

Answer 1

4-3i is the answer.......

Step-by-step explanation

Product

(2-i)(1+2i) = 2+4i-i-2i²

= 2+4i-i+2

= 4+3i

conjugate of 4+3i is 4-3i