" 8.(i) "2x^(2)-5x+3=0quad " (NCERT) "

Solve : (i) 2x^(2)-5x+3=0 (ii) (x^(2)+3x)^(2)-(x^(2)+3x)-6=0, xepsilonR

Solve the following equations : (i) 2x^(2)-(3+7i)x-3+9i=0 (ii) (2+i)x^(2)-(5-i)x+2(1-i)=0

Find the nature of the roots of the following quadratic equations: (i) 2x^(2)-8x+5=0" "(ii)" "3x^(2)-2sqrt(6)x+2=0 (iii) 5x^(2)-4x+1=0" "(iv)" "5x(x-2)+6=0 (v) 12x^(2)-4sqrt(15)x+5=0" "(vi)" "x^(2)-x+2=0

Which of the following are quadratic equations? (i) x^(2)-5x+3=0 (ii) 2x^(2)-3sqrt(2)x+6=0 (iii) 3x^(2)-2sqrtx+8=0 (iv) 2x^(2)-3=0 (v) x+(1)/(x)=x^(2) (vi) x^(2)+(1)/(x^(2))=4(1)/(4)

Solve: 5x^(2)-8x=0.

Which of the following are the solutions of 2x^(2)-5x-3=0 ? (i) x=2 (ii) x = 3 (iii) x=(-1)/(2)

Which of the following are the solutions of 2x^(2)-5x-3=0 ? (i) x=2 (ii) x = 3 (iii) x=(-1)/(2)

The distance of the point (1,-2) from the common chord of the circles x^(2) + y^(2) - 5x +4y - 2= 0 " and " x^(2) +y^(2) - 2x + 8y + 3 = 0