A) (2, -1)
B) (3, -1)
C) (4, -1)
D) (5, -1)
Correct Answer: B
Solution :
Equation of the tangent at \[(1,\ -2)\] to the circle \[{{x}^{2}}+{{y}^{2}}=1\] is \[x-2y=5\]. Now choose answers. Here, only point (3, ?1) lies on the tangent.You need to login to perform this action.
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