Given that I x i + I 3y-8 I + I Z-2 I = 0, find the value of the algebraic formula x + 3Y + Z? Given that I x i + I 3y-8 I + I Z-2 I = 0, find the value of the algebraic formula x + 3Y + Z?

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• 1. Given - x + 3Y = 5, then the value of 5 (x-3y) 2-8 (x-3y) - 5 is () A. 80B. -170C. 160D. 60
• 2. |X-6 | + | 3y-8 | + | Z-2 | = 0, find the value of X + 3Y + Z
• 3. Given i4x + 3y-5i + ix-2y-4i = 0, find the value of X and y Note two columns are absolute values. Please write the process for me. I can understand it
• 4. (6-8i) z = 10
• 5. (Z + 2) 4 = 8 + 8i
• 6. Find all roots of the equation Z & # 178; = 8i,
• 7. In the complex plane, which quadrant is the point corresponding to the complex z = 2-I
• 8. Given that the complex Z satisfies Z (1 + I) = 2-I, then the corresponding point of Z in the complex plane lies in () A. First quadrant B. second quadrant C. third quadrant D. fourth quadrant
• 9. The existence of complex Z satisfies the following conditions: (1) the corresponding point of complex Z in the complex plane is in the second quadrant; (2) the value range of a is determined by multiplying Z by the conjugate complex Z + 2iz = 8 + AI (a ∈ R)
• 10. In the complex plane, which quadrant is the corresponding point of I-1 out of I complex conjugate number
• 11. In the one star three wire circuit, Za = ZB = ZC = 100 Ω, the line voltage is 380V, and now Za is open circuit. Try to find the effective value of current flowing through ZB and ZC at this time Ask for answers that you can do,
• 12. It is known that the complex number Z satisfies | Z | = 2, and the imaginary part of Z2 is 2. (I) find Z; (II) let the corresponding points of Z, Z2, z-z2 in the complex plane be a, B, C respectively, and find the area of △ ABC
• 13. In the parallelogram 0abc, the complex numbers corresponding to each point are Zo = 0, Za = 2 + 2 / AI, ZB = - 2A + 3I, ZC = - B + AI (a, B belong to R), and the angle AOC is calculated Calculate AOC size of angle
• 14. The complex numbers corresponding to points a and B in the complex plane are Za = 3 + 2I and ZB = - 2 + 4I respectively?
• 15. In the complex plane, the complex numbers corresponding to the vertices O and B of the rectangular oabc are 0 and √ 2 (1 + I) respectively And │ OA │ = √ 3, │ OC │ = 1, then the complex numbers corresponding to a and C are______
• 16. It is known that the complex numbers of vertices a and B of isosceles trapezoid oabc on the complex plane are 1 + 2I and - 2 + 6I respectively, and O is the origin of coordinates, OA ‖ BC. Find the complex number Z corresponding to vertex C
• 17. The complex numbers corresponding to points a, B and C in the complex plane are I, I, 4 + 2I respectively. If a - > b - > C - > D is parallelogram ABCD in anticlockwise order, then | BD | is equal to?
• 18. In the complex plane, set a point A.B.C, and the corresponding complex numbers are I, 1, 4 + 2I respectively. Through a, B, C, make the parallelogram ABCD, and find the length of the diagonal BD of the parallelogram
• 19. In the complex plane, set points a, B and C, and the corresponding complex numbers are I, 1, 4 + 2I respectively. Make a parallelogram ABCD through a, B and C. find the coordinates of point D and the length of the diagonal BD of the parallelogram
• 20. The conjugate complex of complex number (1-2i) ∧ 2 is