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The points with respective position vect...

The points with respective position vectors `60 hati + 3 hatj , 40 hati - 8 hatj ,x hati – 52 hatj` are collinear if `x` is equal to

A

`-40`

B

40

C

20

D

`-20`

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A
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Knowledge Check

  • If the three points which have the position vectors 60hati + 3hatj , 40hati - 8hatj and ahati - 52hatj are collinear. Then, a is equal to

    A
    30
    B
    -40
    C
    -30
    D
    25

  • If the points with position vectors 60hati + 3hatj , 40hati - 8hatj and ahati - 52hatj are collinear, then a is equal to

    A
    -40
    B
    -20
    C
    20
    D
    40

  • If the points with position vectors 20 hati + p hatj , 5 hati - hatj and 10 hati - 13 hatj are collinear, then p =

    A
    7
    B
    -37
    C
    -7
    D
    37

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