Question

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Find square of 69 numbers by column method​

Answer 1

Answer:

please see the attached picture.

Answer 2

Answer:

hi shubhneet

here is your answer

The number is 69 ,so take 6as a ,and 9 as b

prepare a table with rows and columns as shown in picture

underline unit digits of addition

but underline full addition of 36+11=47

Now plus underline digits

we get 4,761 as shown in picture