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The angle between the line joining the p...

The angle between the line joining the points (1, -2), (3, 2) and the line `x+2y-7=0` is

A

`pi`

B

`pi//2`

C

`pi//3`

D

`pi//6`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • The angle between the lines formed by joining the points (2, -3), (-5, 1) and (7, -1), (0, 3) is

    A
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    B
    `pi//4`
    C
    0
    D
    `pi//6`

  • The angle between the lines formed by joining the points (2,-3),(-5,1) and (7,-1) ,(0,3) is

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    B
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    C
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    D
    `pi//6`

  • The line segment joining the points (1, 2) and (k, 1) is divided by the line 3x+4y-7=0 in the ratio 4:9 , then k is

    A
    2
    B
    -2
    C
    3
    D
    -3

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