( ¼ a - ½ b )² Solve this please
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We know (a-b)^2 = a^2 + b^2 -2ab
Therefore ( ¼ a - ½ b )² = ( 1/16 a^2 + 1/4 b^2 - 1/4ab (Answer)
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((a/4) - (b/4) + 1)²
= (a/4)²+(-b/2)²+1²+ 2 × (a/4) (-b/2) +
2(-b/2) x1+2x1x (a/4)
=(a²/16)+(b²/4)+1-(ab/2)-b+ ( a/2)
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