Ngày tải lên :
16/06/2015, 15:58
... ta c 0 , 25 1,0 0 , 25 0 , 25 20 10 20 11 (20 12 x + 1)( x + 1) 20 10 = 20 12C2011 x 20 11 + 20 11C2011 x 20 10 + 20 10C2011 x 20 09 + + 2C2011 x + C2011 0 , 25 Thay x = vo ta c tng 0 , 25 1,0 S = 20 13 .22 010 VIII.b ... 2x + x2 x x 5 x x2 x 2 25 10 x + x x x x x Kt hp iu kin ta c nghim ca bt phng trỡnh x l [2; 3] Trang 1,0 im 0 , 25 0 , 25 0 , 25 0 , 25 1,0 im 0 , 25 0 , 25 0 , 25 0 , 25 1,0 im 0 , 25 0 , 25 ... =0 22 k 0 , 25 0 , 25 1,0 im 0 , 25 0 , 25 0 , 25 0 , 25 1,0 im 0 , 25 0 , 25 k =0 H s ca x10 khai trin tng ng vi 22 k = 10 k = 3 Vy h s cn tỡm l (1) C11 = 4 455 0 , 25 0 , 25 Ht - S GD&T PH TH K THI...