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)`.

If p is the perpendicualr distance of the origin from the line whose intercepts on the axes are a and b, show that 1/(p^(2))=1/(a^(2))+1/(b^(2))

The tngent of angle between the lines whose intercepts on the axes are a, -b and b -a respectively is

If p is the length of perpendicular from the origin on the line (x)/(a)+(y)/(b)=1 and a^(2) , p^(2) and b^(2) are in AP, the show that a^(4)+b^(4)=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 origin to the line x/a+y/b=1 then prove that 1/(a^2)+1/(b^2)=1/(p^2)

If p be the length of the perpendicular from the origin on the line x//a+y//b =1, then p^2=a^2+b^2 b. p^2=1/(a^2)+1/(b^2) c. 1/(p^2)=1/(a^2)+1/(b^2) d. none of these

If p is the length of perpendicular from the origin on the line x/a+y/b=1 and a^(2),p^(2),b^(2) are in A.P., then (A) a^(4)+b^(4)=0 (B) a^(4)-b^(4)=0 (C) a^(2)+b^(2)=0 (D) a^(2)-b^(2)=0

Find the length of perpendicular from the piont A(1,4,-2) to the line joining P(2,1,-2) and Q(0,-5,1)

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 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)