2 2 9. lim x 2x x 3x x 10. lim 4x 2 3x 2x x 1 n 1 11. lim 8 4 2 1 ... 8 n 2 f 2 h f 2 12. lim jika 5f x x h 0 h UKBM Matematika Wajib/Semester 4 Page 25