Question

what is the product of the complex numbers 3 - 4iand 6+i where i= -1

Answer 1

Answer:

35

Step-by-step explanation:

Since i=-1, we can rewrite the equation as 3-[4(-1)} multiplied by 6+(-1). Since

4 x-1=, 3-(-4)=7. 6-1=5, and 7x5=35.

Answer 2

Answer:

Step-by-step explanation:

$(3-4 \iota)(6+\iota)\\=18+3 \iota-24 \iota-4 \iota^2\\=18-21 \iota+4\\=22-21 \iota$