Ex 8.3, 5 (a) - Chapter 8 Class 8 Algebraic Expressions and Identities

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Ex 8.3, 5 (a) Add: p (p – q), q (q – r) and r (r – p)p (p – q) = p × p – p × q = p2 – pq2 q (q – r) = q × q – q × r = q2 – qr r (r – p) = r × r – r × p = r2 – rp Simplifying expressions Adding expressions So, our answer is p2 + q2 + r2 – pq – qr – rp

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo