" 11."(ax+by)^(2)+(bx-ay)^(2)

2 (ax+by)^(2)-(bx+ay)^(2)

(ax+by)^(2)-(ay+bx)^(2)

Factorise : (v) (ax + by )^(2) + (bx - ay)^(2)

Fractorise: (ax + by) ^(2) + (bx - ay)^(2)

The slope of angular bisector of line (ax+by)^2=c(bx-ay)^2,(cgto) are

The area of the triangle formed by pair of line (ax+by)^2-3(bx-ay)^2=0 " and the line " ax+by+c=0 is

The bisectors of the angles between the lines (ax+by)^2=c(bx-ay)^2,c gt0 are respectively parallel and perpendicular to the line bx-ay+mu=0

Solve the following system of equations by method of cross-multiplication: ax+by=a^(2),quad bx+ay=b^(2)

Factorise: ax ^(2) + by^(2) + bx^(2) + ay^(2)

{:(ax + by = 1),(bx + ay = ((a + b)^(2))/(a^(2) + b^(2))-1):}