Question

. The point (10,26) is a focus of a non-de-
generate ellipse tangent to the positive x-
axis and y-axis . The locus of the centre
of the ellipse lies along the graph of
ax – by+c=0, where a,b,c are positive
integers with no common factor other than
1 sum of digits of (a+b+c) is......​

Answer 1

Answer:

sorry don't know this answer