shaikhdayin101 shaikhdayin101

02-11-2020
Mathematics

contestada

find the square of the following without actual multpliation .

43

Respuesta :

kithu13 kithu13

02-11-2020

It's 1849

I'll explain how I found it without actual multiplication,

[tex] {40}^{2} = 1600 \\ {3}^{2} = 9 \\ 2 \times 40 \times 3 = 240 \\ [/tex]

So,

[tex] {43}^{2} = 1600 + 240 + 9 \\ = 1849[/tex]

Hope this will help....

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