In the complex plane, which quadrant is the point corresponding to the complex z = 2-I
The fourth quadrant. X is positive and Y is negative
RELATED INFORMATIONS
- 1. 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
- 2. 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)
- 3. In the complex plane, which quadrant is the corresponding point of I-1 out of I complex conjugate number
- 4. On the equation 2-ax = (6 + x) I of X, which has real roots, we can find the value of real number a
- 5. When k______ The equation x 2 + (2k + 1) x-k 2 + k = 0 has real roots
- 6. What is the value range of | Z | if the complex Z satisfies | Z-I | = 2 The geometric meaning of complex number is not very clear
- 7. 0〈a
- 8. If the complex number Z satisfies that the conjugate complex number of Z-Z = 2I, the conjugate complex number of Z = IZ, and I is an imaginary number at the same time, then how to find the solution of Z = is best to explain the steps and calculate directly Don't count directly
- 9. Complex Z / (1 + Z2) If the complex Z satisfies | Z | = 1, Z ≠ ± I, then Z / (1 + Z2) is () A real number B pure imaginary number C real number or pure imaginary number d imaginary number but not pure imaginary number
- 10. If the complex Z satisfies the equation Z2 + 2 = 0, Z2 =? dial the wrong number. What is Z3?
- 11. Find all roots of the equation Z & # 178; = 8i,
- 12. (Z + 2) 4 = 8 + 8i
- 13. (6-8i) z = 10
- 14. 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
- 15. |X-6 | + | 3y-8 | + | Z-2 | = 0, find the value of X + 3Y + Z
- 16. Given - x + 3Y = 5, then the value of 5 (x-3y) 2-8 (x-3y) - 5 is () A. 80B. -170C. 160D. 60
- 17. 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?
- 18. 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,
- 19. 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
- 20. 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