The conjugate complex of complex number 2 + i1-2i is______ .
The conjugate complex of complex number 2 + i1-2i = (2 + I) (1 + 2I) (1 + 2I) = 5i5 = I is - I. so the answer is: - I
RELATED INFORMATIONS
- 1. In the range of complex number, the square of a number is equal to the conjugate complex number of the number. How many such numbers are written separately
- 2. Mathematical problem solving, complex number Given z = (2m square + 3m-2) + (m square + m-2) I (M belongs to R) When z = 0, find the value of M
- 3. Let the vertices of a polygon be in the form of 1 + Z + Z2 +..., in the complex plane +The point of ZK-1 and; where | Z|
- 4. A mathematical problem on the complex number! If the complex number Z1 satisfies Z1 = I (2-z1) (I is an imaginary unit), if | Z | = 1, find the maximum value of | z-z1 |
- 5. How can z = a * cost + IB * Sint (a, B are real constants) be expressed as a rectangular coordinate equation? By the way, let me talk about the relationship between complex equation and rectangular equation
- 6. If the complex sequence {an} satisfies A1 = 0, an = (an-1) ^ 2 + I (n is greater than or equal to 2), then the sum of its first 2007 terms is?
- 7. It is proved that the polynomial A0 * x ^ n + A1 * x ^ n-1 + A2 * x ^ n-2 +. +... An = 0 has at least one real root when n is odd. (A0! = 0)
- 8. Let A0 + A1 / 2 +. + an / (n + 1) = 0, and prove that the polynomial f (x) = A0 + a1x +. + anx ^ n has at least one zero point in (0,1)
- 9. Should the plural be z = a + bi or Z = a + IB I saw z = a + bi in my high school math textbook But the advanced mathematics book says z = a + IB Which one is right
- 10. Given that a, B and C are the three roots of the equation x ^ 3 + PX + q = 0, how to get a + B + C = 0 according to the relationship between the root and the coefficient Such as the title
- 11. Given the complex number Z = 2 − 2i1 + I, then the conjugate complex number of Z is equal to () A. 2iB. -2iC. iD. -i
- 12. If the conjugate complex number of Z + Z = 4 and the conjugate complex number of Z * z = 8, then the conjugate complex number of Z / Z is equal to? Detailed point answer, thank you
- 13. If the complex number Z is on the circle | Z | = 2, then it is proved that: | 1 / (Z ^ 4-4z ^ 2 + 3)|
- 14. If the complex z = (m-1) / 3 - (m-2) I (m ∈ R), its corresponding point on the complex plane is Z, then the shortest distance from point (1,2) on the complex plane to point Z is? The answer is = 2 √ 10 / 5
- 15. Given | x + Yi | = 2 (x, y ∈ R), in the complex plane, find the set of points representing complex x + Yi Seek detailed process
- 16. If the point corresponding to the complex z = (m-1) + (M & # 178; - 4) I (m ∈ R) in the complex plane is in the fourth quadrant, then M is in the range
- 17. Given the third quadrant of the point corresponding to the complex number Z = m (1 + I) - M 2 (4 + I) - 6I in the complex plane, the range of real number m is obtained
- 18. Complex z = (square of a-2a + 3) - (square of A-A + 1 / 2) I (a belongs to R) in which quadrant is the corresponding point in the complex plane
- 19. There are several roots of the equation 1-z Λ 4 = 0 in the complex range
- 20. The complex Z satisfying the equation Z2 + | Z | = 0 has () A. 1 B. 2 C. 3 d. countless