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

Find the value of k for which the given equation has real and equal roots: 2x^(2)-10x+k=09x^(2)+3kx+4=012x^(2)+4kx+3=02x^(2)+3kx+4=02x^(2)-kx+1=0kx^(2)-5x+k=0x^(2)+kx+1=0kx^(2)-5x+k=0x^(2)+k(4x+k-1)+2=0x^(2)-2x(1+3k)+7(x+2k)=0(k+1)x^(2)-2(k-1)x+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

If the roots of x^(4)+5x^(3)-30x^(2)-40x+64=0 are in G.P.,then the roots are

For what value of k will be the equations x^(2)-kx-21=0 and x^(2)-3kx+35=0 have one common root.

For which value of k will the equations x^(2)-kx-21=0 and x^(2)-3kx+35=0 have one common root ?

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

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

Find the value of K for which x=2 is a root of the equation 3x^(2)-2Kx+5=0 .

Find the values of k for which the roots are real and equal in the following equations: kx^(2)+4x+1=0 (ii) kx^(2)-2sqrt(5)x+4=0

If the roots of x^(4) + 5x^(3) - 30x^(2) - 40x + 64 = 0 are in G.P. then the roots are