how to represent a^2-b^2 = (a+b)*(a-b) geometricly please tell as fast as possible
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a^2 - b^2 SEE the enclosed picture
draw a square of side a (from point O to A). So let square be OAPQ.
Let us say b is less than a. Mark B which is b distance from O on the line OA.
Now draw a square of side b, with OB being one side of it. Call it OBCD.
So the area between the two squares will be a^2 - b^2. Shade that area by crossed lines.
draw a square of side a (from point O to A). So let square be OAPQ.
Let us say b is less than a. Mark B which is b distance from O on the line OA.
Now draw a square of side b, with OB being one side of it. Call it OBCD.
So the area between the two squares will be a^2 - b^2. Shade that area by crossed lines.
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kvnmurty:
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