Bất phương trình: 3 2 2 2 − + −  + − x x x x có tập nghiệm là A. 12; . B. (12; . C. (1;+). D. (12; ) .

What is the difference between regular convex and concave polygons

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Determine the common ratio and find the next three terms of the geometric sequence. 649-14-02-00-00_files/i0100000, 649-14-02-00-00_files/i0100001, 2, a. 3; 649-14-02-00-00_files/i0100002, 649-14-02-00-00_files/i0100003, 649-14-02-00-00_files/i0100004. c. 649-14-02-00-00_files/i0100005; 649-14-02-00-00_files/i0100006, 649-14-02-00-00_files/i0100007, 649-14-02-00-00_files/i0100008. b. 3; 6, 18, 54 d. 649-14-02-00-00_files/i0100009. 6, 18, 54 select the best answer from the choices provided a b c d