a Substitute 2+3i and 1-i for a and b, respectively, in the given expression.
B
b Substitute 2+3i and 1-i for a and b, respectively, in the given expression.
C
c Substitute 2+3i and 1-i for a and b, respectively, in the given expression. Also, recall that i^2=- 1.
A
a 3+2i
B
b 1+4i
C
c -1+i
Practice makes perfect
a To evaluate the given expression for a=2+3i and b=1-i, we should substitute these values into the expression and simplify as much as possible. Let's do it!
b To evaluate the given expression for a=2+3i and b=1-i, we should substitute these values into the expression and simplify as much as possible. Let's do it!
c To evaluate the given expression for a=2+3i and b=1-i, we should substitute these values into the expression and simplify as much as possible. Let's do it!
