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  1. Chapter 12 Class 7 Algebraic Expressions
  2. Concept wise

Transcript

Ex 12.1, 7 Identify like terms in the following: (b) 10pq, 7p, 8q, – p2q2, – 7qp, – 100q, – 23, 12q2p2, – 5p2, 41, 2405p, 78qp, 13p2q, qp2, 701p2 So like terms are (10pq, 7qp, 78pq), (7p, 2405p), (8q, 100q), (−p2 q2, 12q2 p2), (−23, 41), (−5p2 , 701p2), (13p2q, qp2) Terms Variable −𝑥y2 −4yx2 8𝑥2 2xy2 7y −11x2 −100 𝑥 −11yx 20x2 y − 6x2 y 2xy 3x Ex 12.1, 7 Identify like terms in the following: (b) 10pq, 7p, 8q, – p2q2, – 7qp, – 100q, – 23, 12q2p2, – 5p2, 41, 2405p, 78qp, 13p2q, qp2, 701p2 So like terms are (10pq, 7qp, 78pq), (7p, 2405p), (8q, 100q), (−p2 q2, 12q2 p2), (−23, 41), (−5p2 , 701p2), (13p2q, qp2)

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.