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If the y=mx+1, of the circle x^2+y^2=1 s...

If the `y=mx+1,` of the circle `x^2+y^2=1` subtends an angle of measure `45^@` of the major segment of the circle then value of `m` is -

A

`2pmsqrt2`

B

`-2pmsqrt2`

C

`-1pmsqrt2`

D

`-2pmsqrt2`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The length of a chord of a circle is equal to the radius of the circle. The angle which this chord subtends in the major segment of the circle is equal to

    A
    `30^@`
    B
    `45^@`
    C
    `60^@`
    D
    `90^@`

  • The length of a chord of a circle is equal to the radius of the circle. The angle which this chord subtends in the major segment of the circle is equal to :

    A
    `30^(@)`
    B
    `45^(@)`
    C
    `60^(@)`
    D
    `90^(@)`

  • The locus of the midpoint of chord of the circle x^(2)+y^(2)=1 which subtends a right angle at the origin is

    A
    `x^(2)+y^(2)=1/4`
    B
    `x^(2)+y^(2)=1/2`
    C
    `xy=0`
    D
    `x^(2)-y^(2)=0`

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