" (v) "2kx^(2)-40x+25=0

Find the value of k for which the equation 2kx^(2)-40x+25=0 has equal roots.Also find the roots.

Find the values of k for which the roots are real and equal in the following equations: 2kx^(2)-40x+25=0 (ii) 9x^(2)-24x+k=0

Find the values of k for which the given quadratic equation has real and distinct roots: (i) kx^(2)+6x+1=0" "(ii)" "x^(2)-kx+9=0 (iii) 9x^(2)+3kx+4=0" "(iv)" "5x^(2)-kx+1=0

Find the values of k for which the given equation has real roots: (i) kx^(2)-6x-2=0" "(ii)" "3x^(2)+2x+k=0" "(iii)" "2x^(2)+kx+2=0

Find the value(s) of k for which the given quadratic equations has real and distinct roots : (i) 2x^(2)+kx+4=0 (ii) 4x^(2)-3kx+1=0 (iii) kx^(2)+6x+1=0 (iv) x^(2)-kx+9=0

Find the value(s) of k for which the given quadratic equations has real and distinct roots : (i) 2x^(2)+kx+4=0 (ii) 4x^(2)-3kx+1=0 (iii) kx^(2)+6x+1=0 (iv) x^(2)-kx+9=0

In the following,determine the set of values of k for which the given quadratic equation has real roots: x^(2)-kx+9=0 (ii) 2x^(2)+kx+2=0

x^(2)-2kx+7k-12=0

If 25x^(2)-40xy+16y^(2)=a^(2) then a=

Find the values of k for which the given quadratic equation has real and distinct roots: (i) kx^(2)+2x+1=0 (ii) kx^(2)+6x+1=0 (iii) x^(2)-kx+9=0