" (xi) "(k+1)x^(2)+2(k+3)x+(k+8)=0

Find the values of k for which the roots are real and equal in the following equations: (i) (k+1)x^2+2(k+3)x+(k+8)=0 (ii) x^2-2k x+7k-12=0

Find the value of k if the equation (k+1)x^(2)+2(k+3)x+(k+8)=0 as have equal roots.

Find the values of k for which the roots are real and equal in the following equations: (k+1)x^(2)+2(k+3)x+(k+8)=0( ii) x^(2)-2kx+7k-12=0

Find the values of k for which (2k+1)x^(2)+2(k+3)x+(k+5)=0 has real and equal roots.

Find the value of k if the following equations have equal roots i) x^(2)–2(1+3k)x+7(3+2k)= 0 ii) x^(2) -15 - k(2x – 8) = 0 iii) (3k+1)x^(2)+2(k+1)x+k=0 iv) x^(2)+2(k+2)x+9k=0

Find the values of k for which roots of the following equations are real and equal: (i) 12x^(2)+4kx+3=0 (ii) kx^(2)-5x+k=0 (iii) x^(2)+k(4x+k-1)+2=0 (iv) x^(2)-2(5+2k)x+3(7+10k)=0 (v) 5x^(2)-4x+2+k(4x^(2)-2x-1)=0 (vi) (k+1)x^(2)-2(k-1)x+1=0 (vii) x^(2)-(3k-1)x+2k^(2)+2k-11=0 (viii) 2(k-12)x^(2)+2(k-12)x+2=0

Find the values of k for which (2k+1)x^2+2(k+3)x+(k+5)=0 has real and equal roots.

Find the values of k for which (k+1)x^(2)-2(3k+1)x+8k+1=0 has real and equal roots.