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Ex 2.5,1 - Use suitable identities to find the products: - Identity I - IV

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Ex 2.5, 1 Use suitable identities to find the following products: (i) (x + 4) (x + 10) (x + 4) (x + 10) Using (x + a) (x + b) = x2 + (a + b) x + ab, putting a = 4, b = 10 = x2 + (4 + 10) x + 4 × 10 = x2 + 14x + 40

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.