1. Is the following formula Im(21+22)=lm(z1)+lm(22), true or false, where 21 and 22 are complex numbers? 2. Which of the following statements are true? 0 The real part of an imaginary number is equal 0. O The imaginary part of a real number is 0. 0 Real and imaginary parts of a complex number are real numbers. 0 Real numbers are complex numbers. 0 All of the statements 0 None of the statements 3. What are solutions of the equation $2 = 1? O 331 21,.932 : 1 0 Solutions do not exist. 4. What are solutions of the equation 1:2 = 9? O 7] 3,$2 = 3 O E? || :3 I to 0 x1 : 3mg : 3i 0 Solutions do not exist. 5. What are imaginary numbers? 0 Positive integers. O Rational numbers. 0 Negative integers. 0 Numbers whose squares are negative. 6. What is the imaginary part of the complex number z 2 11 213'? O Im(z) : 21