6.8 If the slope of one line is twice the slope of theother in the pair of straight linesax2 + 2xy + by2 = 0 then 8h2 =1) 7 ab 2) -7ab 3) 9 ab 4) -9ab

If the slope of one line is double the slope of another line of the pair of lines (x^(2))/(a)+(2xy)/(h)+(y^(2))/(b)=0 then ab:h^(2)=

8a ^ (2) -27ab + 9b ^ (2)

If the slope of one line of the pair 8x^(2)+2hxy+y^(2)=0 is twice the slope of the second line, then h=

Find the slope of the line parallel to AB if : A = (-2, 4) and B = (0, 6)

The slope of one of the straight lines ax^(2)+2hxy+by^(2)=0 is three times the other, show that 3h^(2)=4ab .

The slope of one of the straight lines ax^(2)+2hxy+by^(2)=0 is twice that of the other, show that 8h^(2)=9ab .

If slope of one of the lines ax^(2)+2hxy+by^(2)=0 is twice that of the other, then h^(2):ab=

If A is (-7,2) and B is (2,-3) then the slope of the line perpendicular to AB is :

If the slope of one line is double the slope of another line and the combined equation of the pair of lines is ((x^(2))/(a))+((2xy)/(h))+((y^(2))/(b))=0 then find the ratio ab:h^(2)