Algebraic identities on Squaring

sovm

Have you ever thought why is (a+b)^2 = a^2 + 2ab + b^2? If not, then here’s a presentation why it is so. Similarly, why (a-b)^2 = a^2 – 2ab + b^2

These algebraic identities were given by Indian mathematician Bhaskaracharya-II in the 12th Cent. in his text Lilavati. He gave two more interesting ways of squaring which are Squaring #3 & Squaring #4

The above given links are a few ways of doing squaring mentally. Learn them and enjoy mental squaring!

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