" 11."9x^(2)+4=0

If 1,1, alpha are the roots of x ^(3) -6x ^(2) + 9x- 4 =0 then find 'alpha '.

Solve : (i) x^(2)-11x-12=0 , when xepsilonN (ii) x^(2)-4x-12=0 , when xepsilonI (iii) 2x^(2)-9x+10=0 , when xepsilonQ .

The sum of 5x^(2) ,7x^(2) ,8x^(2) ,11x^(2) and 9x^(2) is …………..

The eccentricity of the hyperbola 9x^(2) -4y^(2) + 36 = 0 is

Find the nature of the roots of the equations of given below : (a) x^(2) - 13x + 11 =0 (b ) 18x^(2) - 14x + 17 = 0 (c ) 9x^(2) - 36x + 36 = 0 (d) 3x^(2) - 5x - 8 = 0

The length of the axes of the conic 9x^(2) + 4y^(2) -6x+ 4y + 1 = 0 , are