What is the expression obtained by adding the 3 terms of any row - Generalising 3 × 3 Magic Square

part 2 - Question 2 - Page 137 - Generalising 3 × 3 Magic Square - Chapter 6 Class 7 - Number Play - Ganita Prakash - Class 7 (Ganita Prakash 1, 2 & old NCERT)

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Question 2 - Page 137 What is the expression obtained by adding the 3 terms of any row, column or diagonal? Our generalised magic square is Adding any 3 terms of any row, column or diagonal will give us 3m For example Sum in the middle row: Generalised Magic Square (m + 2) + m + (m – 2) = 3m For the magic square with center 25, the magic sum is 3 × 25 = 75

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