РОЗДІЛ 2. Раціональні вирази - Вправи 50 - 200 » 127 (3-4)

3) 1/(2y-3), 1/〖9-4y〗^2 , 1/(4y+6); 1/(2y-3), 1/((3-2y)(3+2y)), 1/(2(2y+3)); 1^(\2(2y+3))/(2y-3), 〖-1〗^(\2)/((2y-3)(2y+3)), 1^(\2y-3)/(2(2y+3)); (4y+6)/(2(2y-3)(2y+3)), (-2)/(2(2y-3)(2y+3)), (2y-3)/(2(2y-3)(2y+3)); (4y+6)/(〖2(4y〗^2-9)), (-2)/(〖2(4y〗^2-9)), (2y-3)/(〖2(4y〗^2-9)). 4) 1/(3x-1), 1/(〖9x〗^2-1), 1/(〖9x〗^2-6x+1); 1^(\\(3x-1)(3x+1))/(3x-1), 1^(\3x-1)/((3x-1)(3x+1)), 1^(\3x+1)/〖(3x-1)〗^2 ; (〖9x〗^2-1)/(〖(3x-1)〗^2 (3x+1)), (3x-1)/(〖(3x-1)〗^2 (3x+1)), (3x+1)/(〖(3x-1)〗^2 (3x+1)).