Question

Prove geometrically that : a²-b²=(a+b)*(a-b).

Answer 1

Answer:

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Step-by-step explanation:

In first step, it is derived that the area of subtracted shape is a 2 − b 2 and the same shape is now transformed as a rectangle, whose area is ( a + b ) ( a − b ) . Therefore, the areas of both shapes should be equal geometrically.

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