A) All of the choices
B) The imaginary number part of it is the square root of the negative number.
C) It contains both real and imaginary number.
D) the symbol j and i denotes same value

A) rcis30
B) 2+3i
C) 15
D) All of the choices are considered

A) -1 +2i
B) 7 - 12i
C) 7 +12i
D) 1 + 2i

A) polar form
B) rectangular form
C) trigonometric form
D) exponential form

A) all of the choices
B) 5.83∠30.96°
C) e^0.54i
D) 5.83cis0.54 rad

A) i
B) 1
C) -1
D) -i

A) -1 +2i
B) 7 - 12i
C) 1 + 2i
D) 7 +12i

A) 0.4 - 1.8i
B) 37-3i
C) -0.4 + 1.8i
D) 37 +3i

A) √30
B) 0
C) 2√5
D) √ 5

A) -π/6
B) 5π/3
C) π/3
D) 2π/3

A) 5.35
B) 0.93
C) 0.93
D) 2.22

A) 3∠90
B) 3e^-1.571i
C) -3i
D) all of the choices are considered

A) 16.58e^0.761i
B) 16.58∠43.60°
C) 12.01+11.43i
D) all of the choices are considered

A) -5.12+19.12i
B) 5.12-19.12i
C) 14√2 ∠75°
D) 14√2 ∠-75°

A) 1-2i
B) 2.236 ∠-63.43°
C) None of the choices are correc
D) 2.24e^-5.176i

A) +5.47 -1.47i
B) (-2-2√3)+(-2-2√3 i)
C) -5.47 +1.47i
D) (2-2√3)+(-2-2√3 i)

A) -8+4i
B) 4+8i
C) none of the choices
D) 12-3i

A) 20.30∠166.67
B) 20.30 e^-1.34i
C) 20.30∠-76.67
D) 4.68+19.75i

A) none of the choices
B) -4.25 + 1.67i
C) 4.6 e^0.374i
D) 4.6 ∠-338.55°

A) all of the choices are correct
B) 2∠0
C) 2∠120°
D) 2∠240°