Question

1. Find the square of the following by the column method :

(a) 43
​

Answer 1

Answer:

formula of finding square by column method is

a^2 2ab b^2

Step-by-step explanation:

using this formula : a= 4 b= 3

a^2. 2ab. b^2

4^2. 2×4×3. 3^2

16+2 24 09

18 4. 9

43^2= 1849

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