Prove that the points `(1,11),(2,15),(-3,-5)` are collinear and find the equation of the straight line containing them.

Prove that the point (1,11),(2,15),(-3,-5) are collinear and find the equation of the straight line containing them.

Prove that the points (a,b+c),(b,c+a) and (c,a+b) are collinear and find the equation of the straight line containing them.

Prove that the points (3,1), (5,-5) and (-1,13) are collinear . Find the equation of the straight line on which the points lie.

Prove that the points (4,3),(1,4)and (-2,5) are collinear. Also find out the equation of the straight line on which these points lie.

Prove that the points (4,3),(1,4)and (-2,5) are collinear. Also find out the equation of the straight line on which these points lie.

Prove that the points (a, b + c), (b , c+a) and (c, a+b) are collinear and find the equation of the straight line containing them .

Prove that the points (5,1),\ (1,-1)a n d\ (11 ,4) are collinear. Also find the equation of the straight line on which these points lie.

Show that points (1,4) , (3,-2) and (-3,16) are collinear and find the equation of the straight line on which they lie.

Show that the points (a,0),(0,b)and (3a,-2b)are collinear.Also find the equation of the line containing them.

Show that the three points (3,0),(-2,-2) and (8,2) are collinear. Also, find the equation of the straight line on which these points lie.