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revathysekaran
Questions (1)
AB is a diameter of a circle with centre at origin.what are the coordinates of B if coordinate of A are (3,-4)?
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Answers (1)
2b/4+b/3=10.now take lcm.therefore 6b/12+4b/12=10.10b/12=10.cross multiply,10b=120.b=120/10=12.so b =12