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The number of elements in the set {x in ...

The number of elements in the set `{x in R :(|x| -3) |x+4|=6}` is equal to : then 'a' must be greater then :

A

`-1/2`

B

`1/2`

C

`1`

D

`-1`

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Knowledge Check

  • The number of elements in the set x in R :(absx-3)(abs(x+4))=6 is equal to

    A
    3
    B
    4
    C
    2
    D
    1

  • The set A = {x:|2x +3 | lt 7} is equal to the set

    A
    `D= {x :0 lt x + 5 lt 7}`
    B
    `B={x: -3 lt x lt 7}`
    C
    `E= {x: -7 lt x lt 7}`
    D
    `C= {x: -13 lt 2x lt 4}`

  • {x in R:(2x-1)/(x^3+4x^2+3x) in R} is equal to

    A
    R – {0}
    B
    R – {0,1,3}
    C
    R – {0,-1,-3}
    D
    `R – {0, -1, -3, 1/2}`

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