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It is interesting to represent Algebraic Identities using Geometric objects. One easy example is presented in this video.

# Think!

Try to draw the following algebraic identities using geometric objects

• $$a^2 – b^2 = (a+b)(a-b)$$
• $$(a+b)^3 = a^3 + 3a^2 b + 3 ab^2 + b^3$$
• $$1 + 2 + … + n = \frac {n(n+1)}{2}$$