For what value of k,`(4-k)x^2+2(k+2)x+(8K+1)` is a perfect square.

For what value of k ,(4-k)x^2+(2k+4)x+(8k+1)=0 is a perfect square.

For what value of k,(4-k)x^(2)+(2k+4)x+(8k+1)=0 is a perfect square.

For what values of k ,(4-k)x^(2)+(2k+4)x+8k+1=0 is a perfect square

x^(4)-8x^(2)+k is a perfect square then k is

For what value of K is 16x^(2) + 24xy + K a perfect square

The value of k for which x^(2)-(k+2)x+2k is always a perfect square is

For what value of K does 4x^(2)-2(K+1)x+(K+1)=0 have real and equal roots ?

The values of k for which the expression kx^2 + (k + 1)x + 2 will be a perfect square of linear factor are (i) 3+-2sqrt2 (ii) 4+-2sqrt2 (iii) 6 (iv) 5