Ex 1.3, 5 - Find product, using suitable properties (a) 26 x (- 48)

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  1. Chapter 1 Class 7 Integers
  2. Concept wise

Transcript

Ex 1.3, 5 Find the product, using suitable properties: (a) 26 × (– 48) + (– 48) × (–36) 26 × (−48) + (−48) × (−36) Taking (−48) common = (−48) × [26 + (−36)] = (−48) × [26 − 36] = (−48) × −[−26 + 36] = (−48) × −[36 − 26] = (−48) × −10 = 48 × 10 = 480

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.