If XY < 0, then the absolute value of X in X + the absolute value of Y in Y is () a, 0 B If XY < 0, then the absolute value of X in X + the absolute value of Y in Y is () A,0 B,2 C,-2 D,1
B
RELATED INFORMATIONS
- 1. If the real number m, n satisfies the relation m + n = 4, find the minimum value of m ^ L2 + n ^ 2
- 2. If n (n ≠ 0) is the root of the equation x2 + MX + 2n = 0, then the value of M + n is () A. 1B. 2C. -1D. -2
- 3. Let X and y be the two real roots of the equation m2-2am + A + 6 = 0, then the minimum value of (x-1) 2 + (Y-1) 2 is () A. -1214B. 18C. 8D. 34
- 4. Let X and y be the two real roots of the equation m2-2am + A + 6 = 0, then the minimum value of (x-1) 2 + (Y-1) 2 is () A. -1214B. 18C. 8D. 34
- 5. Let X and y be the two real roots of the equation m2-2am + A + 6 = 0, then the minimum value of (x-1) 2 + (Y-1) 2 is () A. -1214B. 18C. 8D. 34
- 6. Given that two equations x2 + 2bx + a = 0 and X2 + ax + 2B have and only have one common root, then the minimum value of A2 + B2 is
- 7. a. If B is a positive number and the equation x square + 2bx + a = 0 and x square + ax + 2B = 0 have a common root on the X axis, what is the minimum value of a square + b square
- 8. If the quadratic equations 3x-7 = 0, 2x + 3y-1 = 0 and 2x + y-m = 0 have common solutions, then the value of? Is?
- 9. The third power of a * the third power of 2A * the third power of 3A
- 10. It is known that the solution of binary linear equations ax by = 6, BX + ay = 17 is x = 4, y = 3, then a = B=
- 11. If the set {x, XY, LG (XY)} = {absolute value x, y, O}, find the value of log (x ^ 2 + y ^ 2)
- 12. Given a = {x, XY. X minus y} B = {0, absolute value x, y} and a = B, find x, y RT has been calculating for a long time, but I can't work it out
- 13. If the absolute value of a is equal to negative a, what is the range of a?
- 14. If the absolute value of A-2 = 2-A, find the value range of A
- 15. If the absolute value of a + 2 is + 2 + a = 0, find the value range of A The process also needs to be written
- 16. The absolute value of A-1 = - (A-1), and the value range of a is?
- 17. If the absolute value of a is divided into a = - 1, then the value range of a is () -1 means negative 1. Explain the reason
- 18. If the square of X is less than or equal to 1, then - 1 is less than or equal to x, then absolute value x is less than or equal to 2, then - 2 is less than or equal to x, and so on If the square of X is less than or equal to 1, then - 1 is less than or equal to X and less than or equal to 1 If the absolute value x is less than or equal to 2, then - 2 is less than or equal to X and less than or equal to 2
- 19. When 0 is less than x is less than 3, the absolute value of x minus 3 is equal to?
- 20. If the absolute value of X is x = - 1, then x is equal to