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If tangents PA and PB are drawn from P(...

If tangents PA and PB are drawn from `P(-1, 2)` to `y^(2) = 4x` then

A

Equation of AB must be y = x - 1

B

Length of AB must be 8

C

Length of AB must be 4

D

Equation of AB must be y = x - 2

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The correct Answer is:
A, B
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