madinpoly.commadinpoly.com/pdf/solved/3/phy_march_2013.pdfp2 +Q2 +2PQ = (P+Q)2 R = when e-1800 ; cos...
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madinpoly.commadinpoly.com/pdf/solved/3/phy_march_2013.pdfp2 +Q2 +2PQ = (P+Q)2 R = when e-1800 ; cos 180--1 ; Sin 180 = R +Q2 -2PQ = (P-Q)2 a = or 1800 o PART-C (Answer one full question