Consider the points P=(-\sin (\beta -\alpha ), -\cos \beta ), Q=(\ | Filo

Class 12

Math

Algebra

Determinants

549
150

Consider the points , and , where  then

1. lies on the line segment
2. lies on the line segment
3. lies on the line segment
4. are non-collinear.
Solution:

Put and consider the determinant

Using

As

Thus and the points are non-collinear.
549
150

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