" The curves "x^(2)+py^(2)=1" and "qx^(2)+y^(2)=1" are orthogonal to each other then "

If the curves x^2+py^2=1 and qx^2+y^2=1 are orthogonal to eeach other, then

The curves ax^(2)+by^(2)=1 and Ax^(2)+B y^(2) =1 intersect orthogonally, then

If the curves ax^(2)+by^(2)=1 and a'x^(2)+b'y^(2)=1 are orthogonally then …………

If the curve ax^(2)+by^(2)=1 and a'x^(2)+b'y^(2)=1 intersect orthogonally, then

The curves 2x^(2) + 3y^(2) = 1 and cx^(2) + 4y^(2) = 1 cut each other orthogonally then the value of c is:

If the curve ax^(2) + 3y^(2) = 1 and 2x^2 + 6y^2 = 1 cut each other orthogonally then the value of 2a :

The curves 4x^(2)+9y^(2)=72 and x^(2)-y^(2)=5 at (3,2) touch each other (b) cut orthogonally intersect at 45^(@)(d) intersect at 60^(@)

If the curves ax^(2) + by^(2) =1 and a_(1) x^(2) + b_(1) y^(2) = 1 intersect each other orthogonally then show that (1)/(a) - (1)/(b) = (1)/(a_(1)) - (1)/(b_(1))

If 4x^(2)+ py^(2) =45 and x^(2)-4y^(2) =5 cut orthogonally, then the value of p is