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Find the points on the curve x^2+y^2-2x-...

Find the points on the curve `x^2+y^2-2x-3=0`at which the tangents are parallel to the x-axis.

A

1

B

2

C

3

D

None of these

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • What are the points on the curve x^2+y^2-2x-3=0 , where the tangents are parallel to X-axis ?

    A
    (1,2) and (1, -2)
    B
    `(0, sqrt3)` and `(0, -sqrt3)`
    C
    (3, 0) and (-3, 0)
    D
    (2, 1) and (2, -1)
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