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[" (32.) In the given figure,from an ext...

[" (32.) In the given figure,from an external point "],[P," a tangent "PT" and a line segment "PAB],[" drawn to a circle with centre "O.ON" is "],[" drawn to a circle with centre "O.ON" is "],[qquad [" Ph "],[" Prove that "],[" (i) "PA*PB=PN^(2)=OP^(2)-OT^(2)],[" (iii) "PA*PB=PT^(2)]]

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