" 7."(i)x^(2)+x-20=0

Discuss the nature of the following quadratic equations without finding the roots i) x^(2)-12x+32=0 ii) 2x^(2)-7x+10=0 iii) 4x^(2)-20x+25=0 iv) 3x^(2)+7x+2=0

Discuss the nature of the following quadratic equations without finding the roots i) x^(2)-12x+32=0 ii) 2x^(2)-7x+10=0 iii) 4x^(2)-20x+25=0 iv) 3x^(2)+7x+2=0

In the following, determine whether the given quadratic equations have real roots and if so, find the roots (i) 6x^2+x-2=0 (ii) 25 x^2+20 x+7=0

Find the value of X and Y (X और Y का मान ज्ञात कीजिए) I. x^(2)+9x+20=0 II. y^(2)+7y+12=0

Solve: (i) 3x^(2)-4x+(20)/(3)=0 . (ii) x^(2)-2x+(2)/(3)=0 .

Find the roots of the following quadratic equations by factorisation: (i) x^2-3x-10=0 (ii) 2x^2-x-6=0 (iii) sqrt(2)x^2+7x+5sqrt(2)=0 (iv) 100 x^2-20 x+1=0 (v) 100 x^2-20 x+1=0

Find the roots of the following quadratic equations by factorisation: (i) x^2-3x-10=0 (ii) 2x^2-x-6=0 (iii) sqrt(2)x^2+7x+5sqrt(2)=0 (iv) 100 x^2-20 x+1=0 (v) 100 x^2-20 x+1=0

(i) x^(2)-7x+12=0 (ii) y^(2)+y-12=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 .

In each on the following question two equations are given. You have to solve the equations. I. x^(2)+9x+20=0 II. y^(2)+7y+12=0