madinpoly.commadinpoly.com/pdf/solved/3/phy_march_2013.pdfp2 +Q2 +2PQ = (P+Q)2 R = when e-1800 ; cos...

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Transcript of madinpoly.commadinpoly.com/pdf/solved/3/phy_march_2013.pdfp2 +Q2 +2PQ = (P+Q)2 R = when e-1800 ; cos...