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Two equal circles intersect in `P` and `Q` . A straight line through `P` meets the circles in `A` and `B` . Prove that `Q A=Q Bdot`

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PQ is common chord of 2 congregant circle
`/_PCQ=/_PDQ`
`/_PAQ=/_PBQ`
`In/_QAB`
`/_PAQ=/_PBQ`
`QA=QB`.
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RD SHARMA ENGLISH-CIRCLE -All Questions
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