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Question 28Expand the following(i) (4a−b+2c)2(ii) (3a–5b–c)2(iii) (−x+2y−3z)2

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Question 28

Expand the following

(i) (4a−b+2c)2



(ii) (3a–5b–c)2



(iii) (−x+2y−3z)2





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