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A,B,C,D are the points of intersection w...

A,B,C,D are the points of intersection with the coordinate axes of the line ax+by=ab and bx+ay=ab. Then

A

A,B,C,D are concyclic

B

A,B,C,D forms a parallelogram

C

A,B,C,D forms a rhombus

D

None of these

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A
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