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A: The distance of the (1,2,3) from the ...

A: The distance of the (1,2,3) from the coordinate axes are `sqrt(13) , sqrt(10),sqrt(5)`
R : The distance of P (x,y,z) from the coordinate are `sqrt(y^(2)+z^(2)),sqrt(x^(2)+z^(2)),sqrt(x^(2)+y^(2))`

A

both A and R are true and R is the correct explanation of A

B

both A and R are true but R is not the correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The sum of the intercepts on the coordinate axes of any tangent to sqrt(x)+sqrt(y)=sqrt(a) is

    A
    `a`
    B
    `3a`
    C
    `5a`
    D
    `9a`

  • The locus of a point P(x, y) satisfying the equation sqrt((x -2)^(2) + y^(2)) + sqrt( (x + 2)^(2) + y^(2)) = 4 , is

    A
    an ellipse
    B
    a parabola
    C
    a line segment
    D
    a circle

  • lim_( x to 0)(xsqrt(y^(2)-(y-x)^(2)))/({sqrt((8xy-4x^(2))+sqrt(8xy))}^(3))=

    A
    `(1)/(4y)`
    B
    `(1)/(2)`
    C
    `(1)/(3sqrt(2))`
    D
    `(1)/(128y)`

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