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The locus of the point (h,k) from which...

The locus of the point `(h,k)` from which the tangent can be drawn to the different branches of the hyperbola `x^2/a^2-y^2/b^2=1` is (A) `k^2/b^2-h^2/a^2 lt 0` (B) `k^2/b^2-h^2/a^2 gt 0` (C) `k^2/b^2-h^2/a^2=0` (D) none of these

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