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

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

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

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

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

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

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

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

A) 0
B) 2√5
C) √30
D) √ 5

A) -π/6
B) 2π/3
C) 5π/3
D) π/3

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

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

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

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

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

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

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

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

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