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Answer:
Option 'B' is your required answer
Step-by-step explanation:
(x-y)^3
= (x-y)^2 × (x-y)
(Applying (a-b)^2 formula...)
= {(x)^2+(y)^2 - 2.x.y} (x-y)
= x{( x)^2 +(y)^2 - 2.x.y} - y{(x)^2+(y)^2-2.x.y}
= x^3 +x.y^2 - 2x^2y - y.x^2 - y^3 +2xy^2
= x^3+3xy^2-3x^2y-y^3
=x^3-3x^2y+3xy^2-y^3
Hope it will help you ♥️
Answer:
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goodnight take care sweet dreams :)...