Math, asked by seemamittal1928, 10 months ago

expand (2m -1/2m )²​

Answers

Answered by asahilthakur
0

Answer:

4m² + 1/4m² - 2

Explanation:

Using the identity,

(a - b)² = a² - 2ab + b²

(2m - 1/2m)²

= (2m)² - (2)(2m)(1/2m) + (1/2m)²

= 4m² - 2 + 1/4m²

= 4m² + 1/4m² - 2

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