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From course:

MATHS FLASH CARDS

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Question:

(a + 2b + c)²

Author: GN Tutorials


Answer:

(a + 2b + c)² = a² + (2b) ² + c² + 2a(2b) + 2ac + 2(2b)c = a² + 4b² + c² + 4ab + 2ac + 4bc


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GN Tutorials
GN Tutorials