If the length of the perpendicular from the point `(1, 1)` to the line `ax-by+c=0` be , show that `1/c + 1/a - 1/b = c/(2ab)`

If the length of the perpendicular from the point (1,1) to the line a x-b y+c=0 be unity, show that 1/c+1/a-1/b=c/(2a b)

If the length of the perpendicular from the point (1,1) to the line ax-by+c=0 be unity,show that (1)/(c)+(1)/(a)-(1)/(b)=(c)/(2ab)

(i ) If the length of perpendicular from origin to the line ax+by+a+b=0 is p , then show that : p^(2)-1=(2ab)/(a^(2)+b^(2)) (ii) If the length of perpendicular from point (1,1) to the line ax-by+c=0 is unity then show that : (1)/(a)-(1)/(b)+(1)/(C )=(c )/(2ab)

Foot of the perpendicular from a point (x_(1),y_(1)) on the line ax + by + c= 0 is given by

Foot of the perpendicular from a point (x_(1),y_(1)) on the line ax + by + c= 0 is given by

If p is the length of perpendicular from point (1,1) to the straight line ax+by+a+b=0 , then prove that : p^(2)=4+(8ab)/(a^(2)+b^(2))

If p is the length of perpendicular from point (1,1) to the straight line ax+by+a+b=0 , then prove that : p^(2)=4+(8ab)/(a^(2)+b^(2))

Derive the expression for the length of the perpendicular drawn from the point (x_1,y_1) yo the line ax + by + c=0

If the length of perpendicular from origin to the line ax+by+a+b=0 is p , then show that : p^(2)-1=(2ab)/(a^(2)+b^(2))

If p is the length of perpendicular from the origin to the line whose intercepts on the axes are a and b, then show that 1/(p^2)=1/(a^2)+1/(b^2) .