Check sibling questions

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

 

 

 


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 has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.