[" ethod : "],[" (ii) "x^(2)+2x+5=0]

Find the roots of the following quadratic equations by factorisation method : (i) 2x^(2)+(5)/(3)x-2=0 (ii) (2)/(5)x^(2)-x-(3)/(5)=0 (iii) 3sqrt2x^(2)-5x-sqrt2=0 (iv) 3x^(2)+5sqrt5x-10=0 (v) 21x^(2)-2x+(1)/(21)=0

Solve the follwing inequations by algebric and graphical methods. i) x^(2) – 8x + 15 gt 0 ii) 2x^(2) + 3x – 2 lt 0 iii) x^(2) - 4x + 5 gt 0 iv) 15x^(2) + 4x – 5 le 0

Solve each of the following equations by using the formula : (i) 5x^(2)-2x-3=0 (ii) x^(2)=18x-77

Solve the Equation: (i) x^(2)+3x+5=0 (ii) x^(2)-x+2=0 .

Solve for x: (i) 10x^(2)-27x+5=0 (ii) pqx^(2)-(p^(2)+q^(2))x+pq=0

Solve for x: (i) 10x^(2)-27x+5=0 (ii) pqx^(2)-(p^(2)+q^(2))x+pq=0

Solve for x: (i) 10x^(2)-27x+5=0 (ii) pqx^(2)-(p^(2)+q^(2))x+pq=0

Find the roots of the following quadratic equations i) 6sqrt5 x^(2) – 9x -3sqrt5 = 0 ii) x^(2) - x - 12 = 0 iii) 2x^(2) - 6x + 7 = 0 iv) 4x^(2) - 4x+17 = 3x^(2) -10x-17 v) x^(2) + 6x + 34 = 0 vi) 3x^(2) + 2x - 5 = 0