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If from (1, beta) two tangents are dra...

If from `(1, beta)` two tangents are drawn on exactly one branch of a hyperbola `x^2/4-y^2/1=1,` then value of `beta` should be (A) `[-1/2,1]` (B) `(-1/2,1/2)` (C) `(-1,1)` (D) `(-3/4,3/4)`

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