7x+3=0quad " (ii) "2x^(2)+x-4=0

Find the roots of the quadratic equations by applying the quadratic formula.(i) 2x^(2)-7x+3=0 (ii) 2x^(2)+x-4=0 (iii) 4x^(2)+4sqrt(3)x+3=0( iv )2x^(2)+x+4=0

Find the roots of the following quadratic equations,if they exist,by the method of completing the square: (i) 2x^(2)-7x+3=0 (ii) quad 2x^(2)+x-4=0 (iii) (iv)

Find the roots of the quadratic equations by applying the quadratic formula. (i) 2x^2 -7x+3 =0 (ii) 2x^2+x-4 =0 (iii) 4x^2+4sqrt3x+3=0 (iv) 2x^2+x+4 = 0

Find the roots of the following quadratic equations, if they exist, by the method of completing the square: (i) 2x^2-7x+3=0 (ii) 2x^2+x-4=0 (iii) 4x^2+4sqrt(3)x+3=0 (iv) 2x^2+x+4=0

Examine the nature of the roots of the equations (i) 2x^(2)+2x+3=0 (ii) 2x^(2)-7x+3=0 (iii) x^(2)_5x-2=0 (iv) 4x^(2)-4x+1=0

4x^2-7x-2=0

Without solving, find the nature of the roots of the following equations: (i) 3x^(2)-7x+5=0 . (ii) 4x^(2)+4x+1=0 . (iii) 3x^(2)+7x+2=0 . (iv) x^(2)+px-q^(2)=0 .