Một số phương trình không mẫu mực25118

MỘT SỐ PHƯƠNG TRÌNH KHƠNG MẪU MỰC (3x + 1) 9x + 6x + - x + = 4x 16x + 2 2 (2x - p)+ (2x - p) + = t an x - x+ x +1 - 10x + 12x - 5x + = 2x 7x - 7x + 2x - 2x + 10x - 17x + = 2x 5x - x 1 (5x - 6) - x = 5x - x- x + 3x + 4x + = (3x + 2) 3x + 8x - 36x + 53x - 25 = 3x - 4x + x - (x + 1) 2x + = x + 1- = 2x + - x+ 10 9x - 28x + 21 = ( x- ) ( ) 9x + + (4x + 2) + x + x + = 11 3x + x2 + x + - 12 x + + 4x - 2x+ = x - 2x + 13 27x -27x + 13x - = 2x-1 14 4x + 18x + 27x + 14 = 3 4x+ 15 8x -17x + 10x - = 5x - 16 2 (x - 1) - x - - (x - 5) x - - 3x + 31 = ( ) 17 (sinx - 2) sin x - sinx + = 3 3sinx - + 18 x ( x + 1+ ( ( + x2 + ) 19 2x + ( ) x+ = 4x + = x + ) x2 + ) 20 4x + x + (x - 3) - 2x = 21 x3   x  22 x   x   x2   x2 23 x    x   (2 x  1)7  x  24 x3  x  (2 x  7) x    25 x3  x  x   x     x2  26 x  x  ( x  6)  x  27 x3  15 x  78 x  141  x  28 x3  x  x   2(3 x  1) x  29 x  3 x   x  3  x  x  ThuVienDeThi.com 30) x - 15x + 78x - 141 = 2x - 31) 3x + = - 4x + 13x - 32) 2x - = 27x - 144x + 191 33) x - x - = 6x - x 34) 35) x + 6x - 171x - 40 (x + 1) 5x - + 20 = (x + 6) x + - x - 12x - 48x - 64x - x - 4x = + 36) 8x - 4x - - 37) 27x + 54x + 39x + 10 = x + x + 6x + = ( ) x2 + x + 38) 2x + (x + 1) x + 2x + + (x + 2) x + 4x + + = 39) 4x + 2x= (4 - x ) - 2x 40) (x - 3) - x + x3 + x = 41) x + 4x + = x + ( ) 42) (x - 1) - 8x + x + 32x + 2( (x + 5) x + + = 3x + 43) 3 x2 + ) x - - 23x = - 23 12x+ = 64x + 96x + 40x + 44) 45) x - 3x - 2x - - 46) x + 3x - x+ - 6x + = 47) 17 - x + 6x - 2x = 14 - 2x + 3x - x 48) 49) 3x + 3x + = x + 2x - = (x + 1) x + - x - 2x+ 3 x+ 3+ 3x- 3= 5x- 5+ 5x+ ( ) 50) 51) 52) 53) 54) 55) æ1 4(1 + + 4x ) x ữ ỗỗ ữ = ữ ỗỗ ữ ữ x + + x + 3x + è x x + 1ø x+ x + + x + 25 + = x + 16 + x2 - x2 + x + = x2 + x + + x x+ = (x + 2) x + x3 + x 5x - 4x - 5x + = 7x + 9x - x3 + = 6x + 24x + 28x+ 56) x + 9x - 156x-144 = 20 (x + 2) 5x + 57) x 4x + - x + x + 58) (1 - x )(1 + x ) + 2x ( )( ) 2x + 2x + 1= 2x + + + + 2x = ThuVienDeThi.com