1) Expand: (m - 2) ^ 2
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Answer:
Given: (m-2)²
Step-by-step explanation:
(m-2)² = m² + 2² - (2 × 2 × m) [Using the II identity i.e. (a-b)² = a² + b² - 2ab]
=> m² + 4 - 4m
Hence m² + 4 - 4m is the answer.
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