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Ex 2.4, 15 (ii) - Chapter 2 Class 9 Polynomials

Last updated at May 29, 2023 by

Ex 2.5, 15 - Chapter 2 Class 9 Polynomials - Part 3

Ex 2.5, 15 - Chapter 2 Class 9 Polynomials - Part 4

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Ex 2.4, 15 Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given: (ii) Area : 35y2 + 13y – 12 First we factorize 35y2 + 13y – 12 We factorize using the splitting the middle term method = 35y2 + 28y – 15y – 12 = 7y(5y + 4) – 3 (5y + 4) = (5y + 4) (7y – 3) Hence, Area = (5y + 4) (7y – 3) Area = Length × Breadth Hence, there are two possibilities

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.