Let w = 1+ V3i. a) Sketch w on the complex plain. 5) compute w?.

12. Add ( plus ) the following complex numbers: a) 9+j3 and 5+j8 b) -18+j23 and 30-j15 c) 2<45° and 20<32°

1. Which of the following does NOT describe the modulus of the complex number a + bi? a. The length of the directed line segment from the origin of the complex plane to the point (a, b) b. The magnitude of the vector representing the complex number a + bi c. Va? + b2 d. The difference between the numbers a and b

Let a₁ = 1 - 1 a₂ = The value(s) of h is(are) -6 - 25 2 5 11- h and b = LO For what value(s) of h is b in the plane spanned by a, and a₂? (Use a comma to separate answers as needed.)