How to find the square of number 23?

Given :

The given number is 23

To find :

We have to find the squares of the number 23

Solution :

we can use the following formula:

$$(a+b)^2 = a^2+b^2+2ab$$

23 can be written as $20+3.$

Therefore,

$(20+3)^2=20^2+3^2+2\times20\times3$

$=400+9+120$

$=529.$

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Updated on: 10-Oct-2022

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