1
(x)
= 9
w
4
1
1
+
3 ()
= 9+
3
wol
3
4
3 (x)
28
3

how  is that question 111

Step-by-step explanation:

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.