a.
If three points lie on the line then calculate the area of the triangle. For this use the answer together with the determinant formula for the area of triangle to explain why the points
a.
Answer to Problem 64E
Explanation of Solution
Given:
Concept Used:
Properties of Matrices.
Matrix Operation.
Calculation:
First consider
Area of
Area of
Therefore, given points are collinear.
Conclusion:
Hence, given points are collinear.
b.
With the help of determinant to check whether each set of points is collinear.
b.
Answer to Problem 64E
Explanation of Solution
Given:
Concept Used:
Properties of Matrices.
Matrix Operation.
Calculation:
Therefore, if it non collinear.
Conclusion:
Hence, the this is non collinear points.
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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