*(A)2x^(2)-sqrt(5)x-2=0

(6) sqrt(5)x^(2)-2sqrt(2)x-2sqrt(5)=0

ln Delta ABC cosA= -(2)/(3) the equation with roots sin A ,tan A is 1) 6x^(2)+sqrt(5)x-5=0 2) 6x^(2)-sqrt(5)x+5=0 3) 6x^(2)-sqrt(5)x-5=0 4) 6x^(2)+sqrt(5)x+5=0

2sqrt(3)x^(2)+x-5sqrt(3)=0

One root of the quadratic equation x^(2)+(2-sqrt5)x-2sqrt5=0 is

Which of the following is the value of the discriminant for sqrt(2)x^(2)-5x+sqrt(2)=0?

Which of the following is the value of the discriminant for sqrt(2)x^(2)-5x+sqrt(2)=0?

Find the roots of the following quadratic equations by the factorisation method. 3sqrt(2)x^(2)-5x-sqrt(2)=0

Find the roots of the following quadratic equations by the factorisation method. 3sqrt(2)x^(2)-5x-sqrt(2)=0

Find the discriminant of each of the following equations: (i) 2x^(2)-7x+6=0" "(ii)" "3x^(2)-2x+8=0 (iii) 2x^(2)-5sqrt(2)x+4=0" "(iv)" "sqrt(3)x^(2)+2sqrt(2)x-2sqrt(3)=0 (v) (x-1)(2x-1)=0" "(vi)" "1-x=2x^(2)

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