If `(a,a+b, a+b+c)` is one set of direction ratios of the line joining `(1,0,0)` and `(0,1,0)` then find a set of values of `a , b , c`.

If (x, y) is any point on the line joining the points A(a, 0) and B (0, b), then show that (x)/(a)+(y)/(b) = 1

The line joining the points (-2,1,-8)a n d(a ,b ,c) is parallel to the line whose direction ratios are 6,2,a n d3. Find the values of a ,b and c

If an a triangle A B C , b=3ca n d C-B=90^0, then find the value of tanB

If the straight line joining the points (2,1,4)and(a-1,4,-1) is parallel to the line joining the points (0,2,b-1)and(5,3,-2), find the values of a and b.

Find the area of a triangle having the points A(1,0,0),B(0,1,0) and C(0,0,1) as its vertices.

Direction ratios of two lines are a ,b ,ca n d1//b c ,1//c a ,1//a bdot Then the lines are ______.

If A = [(alpha,0),(1,1)] and B =[(1,0),(5,1)] find the values of alpha for which A^(2) = B.

A triangle is formed by joining the points (1,0,0), (0,1,0) and (0,0,1). Find the direction cosines of the medians.