expand : (⅔ m +3/2 m )²
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Step-by-step explanation:
(⅔m + 3/2m)².
Using identity>( a+b) ² = a² + 2ab +b²
=> (⅔m)²+2(⅔m)(3/2m)+(3/2m)²
=> 4/9m²+2m²+9/4m²
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