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[" From the point "P(3,4)" pair of tange...

[" From the point "P(3,4)" pair of tangents "PA" and "],[PB" are drawn to the ellipse "(x^(2))/(16)+(y^(2))/(9)=1" .If "],[AB" intersects "y" -axis at "C" and "x" -axis at "D" ,then "],[OC*OD" is equal to (where "O" is the origin) "],[" (A) "9],[" (B) "18],[" (D) "12]

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