1.

2x square+( k-6) x-3k=0 , x=-k/2 k?

Answer»

2.k^2/4 -(k-6)k/2-3k=0
k^2/2 - k^2/2+3k-3k=0
so all VALUES cancels out ....

on DIFFERENTIATING ,we GET...
4x+k-6=0
so, 4(-k/2)+k-6=0
-2k+k-6=0
-k-6=0
-k =6
k= -6....
I hope this is the ANSWER....



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