Question
The number of points from where one can draw mutually perpendicular tangents to the hyperbola $(x-1)^{2}-(y-2)^{2}$ $=4$ is(a) 1(b) 2(c) 4(d) infinite
Step 1
The equation is $(x-1)^{2}-(y-2)^{2}=4$. We can rewrite this as $\frac{(x-1)^{2}}{4}-\frac{(y-2)^{2}}{4}=1$. Show more…
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