Determine the nature of roots of the following quadratic equations.
(i) `9x^2+6x+1=0`.

Determine the nature of roots of the following quadratic equations. (iii) 2x^2-3x-2=0 .

Determine the nature of roots of the following quadratic equations. (iii) 2x^2-3x-2=0 .

Determine the nature of roots of the following quadratic equations. (iii) 2x^2-3x-2=0 .

Determine the nature of roots of the following quadratic equations. (iv) 2x^2-5x+7=0 .

Determine the nature of roots of the following quadratic equations. (iv) 2x^2-5x+7=0 .

Determine the nature of roots of the following quadratic equations. (iv) 2x^2-5x+7=0 .

Determine the nature of roots of the following quadratic equations. x^(2)-4x+4=0

Determine the nature of roots of the following quadratic equations. x^(2)-4x+4=0

Determine the nature of the roots of the following quadratic equations: (i) 2x^2-3x+5=0 (ii) 2x^2-6x+3=0 (iii) 3/5x^2-2/3x+1=0

Determine the nature of roots of the following quadratic equations. m^(2)+2m+9=0