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Using section formula, show that the poi...

Using section formula, show that the points A(1, 2, 1), B(2, 1, 0) and `c(7/5, 8/5, 3/5)` are
collinear.

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The correct Answer is:
(9, (-1)/2, -1)
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AAKASH INSTITUTE-THREE DIMENSIONAL GEOMETRY -TRY YOURSELF
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  2. Find the ratio in which the line joining the points (2, 3, 5) and (3, ...

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  3. Using section formula, show that the points A(1, 2, 1), B(2, 1, 0) and...

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  4. Using section formaul, show that the points (2, -1, 3), (0, 1, 2) and ...

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  5. A point with x-coordinate 9 lies on the line segment joining the point...

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  6. A point with z-coordinate 6 lies on the line segment joining the poin...

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  7. Find the coor dinates of the centrod of a triangle whose coordinates a...

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  8. If (1, 1, 1) is the centroid of the triangle with vertices (2a, 3, 7),...

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  9. The mid-points of the sides of a triangle are given by (3, 2, -4), (9,...

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  12. If a line makes angle 90o, 60oand 30owith the positive direction of ...

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  13. Find the direction cosines of x, y and z-axis.

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  14. Find the direction cosine of a line passing through origin and the poi...

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  16. Find the direction ratios and the direction cosines of the vector vecr...

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  18. दर्शाइए कि बिदु A(1, -2, -8), B (5, 0, -2) ओर C(11, 3, 7) संरेख है और ...

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