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A(3,0) and B(6,0) are two fixed points a...

A(3,0) and B(6,0) are two fixed points and U `(alpha ,beta)` is a variable point on the plane ,AU and BU meet the y - axis at C and D respectively and Ad meets OU at V. Prove that CV passes through (2,0) for any position of U in the plane .

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