If the points `(2,0),(0,5)` and (x,y) are collinear then show that `x/2+y/5=1`.

If the points A(1,2),B(0,0) and C(a,b) are collinear then

If the points (p,0), (0,q)and (x,y) are collinear, prove that x/p+y/q= 1 .

Find a relation between x and y if the points (x,y),(1,2) and (7,0) are collinear.

If the points (8,1),(3,-4),(2,p) are collinear, prove that p+5=0

If the points (-3,9),(2,p),(4,-5)are collinear, prove that p+1=0

Find the relation between x and y if the points A(2,1),B(x,y) and C(7,5) are collinear.

If x=r cos0 and y=r sin0 , then show that (d y)/(dx)+(x)/(y)=0 .

if y = sin^-1x , show that (1-x^2) y_2 = xy_1

Find the equation of the straight line passing through the point (ii) (1, -5) and perpendicular to the line 2x + 5y + 4 = 0

Find the equation of the straight line passing through the point (3, 2) and the point of intersection of the lines 3x + 2y - 1 = 0 and x - 3y + 5 = 0.