Which one of the following statements are true? Select all true statements. Only select true statements. (a) -2 is the only third root of –8 in C. (b) 7 is a complex number. 2+3i 3-ai No matter what the value of a is. (c) can be simplified into the form r + yi. (d) The complex number -7+7V31 has the angle 27/3. (e) eln(x)i has norm r. (a) (b) O (c) O (d)

Math 7: The sum of two complex numbers, where the real numbers do not equal zero, results in a sum of 34i. Which statement must be true about the complex numbers? o The complex numbers have opposite real parts. O The complex numbers have equal real parts. O The complex numbers have equal imaginary parts. O The complex numbers have opposite imaginary parts.

Math

Write the complex number in standard form.   −80 square roots-80   -square roots -5 ( I could't write the symbol) For example V