Applications of Determinants

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  • Q1

    If the points (x1, y1), (x2, y2) and (x1+ x2, y1+ y2) are collinear, then x1/x2 is equal to

    Marks:1
    Answer:

    y1/y2.

    Explanation:
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  • Q2

    Marks:1
    Answer:

    3a4.

    Explanation:
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  • Q3

    If the area of a triangle whose vertices are (k, 0) (–5, 3) and (5, 2) is 4 sq. units, then the value of k is

    Marks:1
    Answer:

    33

    Explanation:

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  • Q4

    Marks:1
    Answer:

    25 sq units.

    Explanation:
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  • Q5

    If area of triangle is 35 sq. units with vertices (2, –6), (5, 4) and (K, 4), then K is

    Marks:1
    Answer:

    -2, 12.

    Explanation:

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