❖ Geometrical Explanation and Derivation of a square minus b square which is \(a^2-b^2=(a+b)(a-b)\)
\(a^2-b^2\), which it called difference of two squares.
Visualize \(a^2-b^2=(a+b)(a-b)\) geometrically!
Area of square \(=\) side \(\times\) side
This means you multiply the side length by itself.
Area of rectangle \(=\) Length \(\times\) Breadth.
This means you multiply the length by the breadth (two adjacent sides).
So, we have explained a square minus b square by using geometrical drawings.