k के किस मान के लिए, `(4-k)x^(2)+(2k+4)x+(8k+1)=0` पूर्ण वर्ग है?

The value of k for which the graph of (k- 1)x+ y-2= 0 and (2-k)x-3y+ 1) =0 are parallel is k का मान जिसके लिए (k- 1)x+ y-2= 0 और (2-k)x-3y+ 1) =0 के ग्राफ समांतर हो, है-

Find the value of k for which the following set of quadratic equations has exactly one common root, x^(2)-kx+10=0andx^(2)+kx-18=0. k के किस मान के लिए समीकरणों x^(2)-kx+10=0 तथा x^(2)+kx-18=0 का ठीक एक मूल उभयनिष्ठ है ?

Find the values of k for which (4-k)x^(2)+(2k+4)x+(8k+1)=0 has real and equal roots.

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

Find the values of k for which (4-k)x^2+(2k+4)x+(8k+1)=0 has real and equal roots.

For what values 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.