Question

What is the difference of the complex numbers below? (6+81)-(1-21 ) O A. 7+10) O O O B. 5+10) O C. 5+67 O 0 7 D. 7 +62

Answer 1

we have the expression

$(6+8i)-(1-2i)$

Remove parenthesis

$6+8i-1+2i$

Group similar terms

$(6-1)+(8i+2i)$

Combine like terms

$5+10i$

The answer is option B