step by step explanation please
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Step-by-step explanation:
length of the rectangle = (a2+ab+b2)
breadth of the rectangle = (a-b)
Area of a rectangle = lxb
= (a2+ab+b2) (a-b)
= a3+a2b+ab2 -a2b-ab2-b3
= a3-b3
+a2b and -a2b gets cancelled
+ab2 and -ab2 gets cancelled
answer = a3-b3
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