expand (x-2y/3)^3...
can anyone do this sum
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heya frnd,
ur answer is un this pic
in this question we will use the identity
(a-b)³ = a³-b³-3a²b+3ab²
where a = x and b = 2y/3
ur answer is un this pic
in this question we will use the identity
(a-b)³ = a³-b³-3a²b+3ab²
where a = x and b = 2y/3
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