The distance between the pair of parallel lines `x^2+2xy+y^2-8ax-8ay-9a^2=0` is `25sqrt2` then `a=`

The distance between the pair of parallel line, x^2+2xy+y^2-8ax-8ay-9a^2=0 is

The distance between the pair of parallel lines x^(2)+2xy+y^(2)-8ax-8ay-9a^(2)=0 is 25sqrt(2) then a=

If the distance between the pair of parallel lines x^(2)+2xy+y^(2)-8ax-8ay-9a^(2)=0 is 25sqrt2 , then |a|=

The distance between the pair of parallel line,x^(2)+2xy+y^(2)-8ax-8ay-9a^(2)=0 is

if distance between the pair of parallel lines x^(2)+2xy+y^(2)-8ax+8ay-9a^(2)=0 is 25sqrt(2) then ^(2)a/5' is equal to

The distance between the pair of parallel lines 9x^(2)-24xy+16y^(2)-12x+16y-12=0