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DeltaABC is a right triangle which is ri...

`DeltaABC` is a right triangle which is right angled at C. A circle is drawn taking AB as a diameter. AC is extended to point P. BP meet semicircle at D, then `AB^(2)` =

A

`ACxxAP+BDxxBP`

B

`ACxxBD+APxxBP`

C

`PD^(2)-PCxxCA`

D

`ACxxAP+PDxxDB`

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