Prove (a-b)²=a²-2ab+b²



Because (a-b)² is area of just 4th part of total area. When we calculate the area of 4th part, we just deduct 1st part's area, 2nd part's area and 3rd part's area from total area of any square.

Vinod Kumar

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Prof. Vinod Kumar is an Indian Educator, Motivational Speaker, Naturopathic Practitioner and Entrepreneur . He is the founder of Svtuition... read more »

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