(d) Solve (i.e., find all values of z that satisfy) the equation z + Z1Z + Z2 = 0. (e) Determine exact expressions for the real and imaginary parts of z.

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter8: Polar Coordinates And Parametric Equations
Section8.3: Polar Form Of Complex Numbers; De Moivre's Theorem
Problem 3E
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question d and e please

Question 1
(a) If j? = -1, simplify
(i) jº.
(ii) j-17.
The remainder of this question concerns the complex numbers z, = 1+ j2 and z2 =
-3 + j.
(b) Calculate
(i) z1 + Z2.
(ii) Z1Z2.
(iii) Z1/Z2.
Give your answers in the form a + jb where a and b are real numbers.
(c) (i) Calculate the modulus and argument of z. (In your final answers, express the
modulus to three significant figures and the argument in radians to three significant
figures.) Hence express z, in exponential form.
(ii) Calculate the modulus and argument of z2. (In your final answers, express
the modulus to three significant figures and the argument in degrees to three
significant figures.) Hence express z, in polar form.
(d) Solve (i.e., find all values of z that satisfy) the equation
z* + Z1Z + Z2 = 0.
(e) Determine exact expressions for the real and imaginary parts of z.
Transcribed Image Text:Question 1 (a) If j? = -1, simplify (i) jº. (ii) j-17. The remainder of this question concerns the complex numbers z, = 1+ j2 and z2 = -3 + j. (b) Calculate (i) z1 + Z2. (ii) Z1Z2. (iii) Z1/Z2. Give your answers in the form a + jb where a and b are real numbers. (c) (i) Calculate the modulus and argument of z. (In your final answers, express the modulus to three significant figures and the argument in radians to three significant figures.) Hence express z, in exponential form. (ii) Calculate the modulus and argument of z2. (In your final answers, express the modulus to three significant figures and the argument in degrees to three significant figures.) Hence express z, in polar form. (d) Solve (i.e., find all values of z that satisfy) the equation z* + Z1Z + Z2 = 0. (e) Determine exact expressions for the real and imaginary parts of z.
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