A circle with centre passes through the origin. The equation of the tangent to the circle at the origin is |
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a) |
b) |
c) |
d) |

A circle with centre passes through the origin. The equation of the tangent to the circle at the origin is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(b)**

Obviously, the slope of the tangent will be , i.e.,

Hence, the equation of the tangent is i.e.,

127 votes

127