a) 3 + i
b) -2 – 4i
c) 2/3
d) i/2
Answer: c) 2/3
Explanation: A complex number is a number of the form a + bi, where a and b are real numbers and i is the imaginary unit. Option c) is not of this form and is therefore not a complex number.
a) 3 + i
b) -2 – 4i
c) 2/3
d) i/2
Answer: c) 2/3
Explanation: A complex number is a number of the form a + bi, where a and b are real numbers and i is the imaginary unit. Option c) is not of this form and is therefore not a complex number.