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Geography, 28.02.2021 15:40 ahmadali89

(a) Expand and simplify (a×a) – (a - b)(a + b). (b) Hence write down the value of
(6730×6730) – 6728 x 6732 without using a
calculator.​

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Answers: 3

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(a) Expand and simplify (a×a) – (a - b)(a + b). (b) Hence write down the value of
(6730×6730)...
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