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The set A={x:xinR, x^(2)=16 and 2x=6} is...

The set A={x:x`in`R, `x^(2)`=16 and 2x=6} is

A

`phi`

B

{1,2}

C

{3}

D

{4,-4}

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The number of elements of the set {x: x in Z, x^(2)=1} is ............

    A
    0
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  • The area of the circle x^(2) + y^(2) = 16 exterior to the parabola y^(2) = 6x is

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    C
    `(4)/(3) (8pi - sqrt3)`
    D
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  • The area of the circle x^(2) + y^(2) = 16 exterior to the parabola y = 6x is

    A
    `4/3(4pi-sqrt3)`
    B
    `4/3(4pi+sqrt3)`
    C
    `4/3(8pi-sqrt3)`
    D
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