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Ex 9.1, 3 (iii) - Add 2 p^2 q^2 - 3pq + 4, 5 + 7pq - 3p^2q^2

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Ex 9.1, 3 Add the following. (iii) 2p2q2 – 3pq + 4, 5 + 7pq – 3p2q2 Expression are 2p2q2 – 3pq + 4 5 + 7pq – 3p2q2 We put like terms below like terms ∴ Required sum = −p2q2 + 4pq + 9

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.