[" If the equation "a^(2)x^(2)+bcy^(2)=a(b+],[c)xy" represents a pair of coincident "],[" lines,then "]

If the equation a^(2)x^(2)+bxy^(2)=a(b+c)xy represents a pair of coincident lines, then

If the equation k(x^(2)+y^(2))=8xy represents a pair of coincident lines, If k=

If the equation K(x^(2)+y^(2))=(3x-y)^(2) represents a pair of coincident lines, then k=

If the equation ax^(2)+by^(2)+cx+xy=0 represents a pair of line, then

If the equation (k+1)x^(2)-6xy+(k-7)y^(2)=0 represents a pair of coincident lines, If k=

If the equation x^(2)+3xy+2y^(2)+x-y+k=0 represents a pair of line, then k=

If the equation 3x^(2)+6xy+my^(2)=0 represents a pair of coincident straight lines, then (3m)/2 is equal to

The equation ax^(2)+2hxy+ay^(2)=0 represents a pair of coincident lines through origin, if