Ex 6.2, 1 - 1. Find the square of the numbers (i) 32 (ii) 35 (iii) 86

 

 

 

  1. Chapter 6 Class 8 Squares and Square Roots
  2. Serial order wise

Transcript

Ex 6.2, 1 Find the square of the following numbers. (i) 32We know that 32 = 30 + 2 Now, 322 = 32 × 32 = (30 + 2) × (30 + 2) = 30 × (30 + 2) + 2 × (30 + 2) = 30 × 30 + 30 × 2 + 2 × 30 + 2 × 2 = 900 + 60 + 60 + 4 = 1024

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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.