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(x^(3)-3x^(2)y+3xy^(2)-y^(3))/(x^(3)-y^(3))

x33x2y+3xy2y3x3y3 \frac{x^{3}-3 x^{2} y+3 x y^{2}-y^{3}}{x^{3}-y^{3}}

Full solution

Q. x33x2y+3xy2y3x3y3 \frac{x^{3}-3 x^{2} y+3 x y^{2}-y^{3}}{x^{3}-y^{3}}
  1. Recognize: Recognize the numerator as a cubic polynomial and the denominator as a difference of cubes.\newlineNumerator: x33x2y+3xy2y3x^3 - 3x^2y + 3xy^2 - y^3\newlineDenominator: x3y3x^3 - y^3
  2. Factorize: Factorize the numerator and denominator.\newlineNumerator: (xy)3(x - y)^3 (using the formula a33a2b+3ab2b3=(ab)3a^3 - 3a^2b + 3ab^2 - b^3 = (a - b)^3)\newlineDenominator: (xy)(x2+xy+y2)(x - y)(x^2 + xy + y^2) (using the formula a3b3=(ab)(a2+ab+b2)a^3 - b^3 = (a - b)(a^2 + ab + b^2))
  3. Simplify: Simplify the expression by canceling out common factors.\newline(xy)3/(xy)(x2+xy+y2)=(xy)2/(x2+xy+y2)(x - y)^3 / (x - y)(x^2 + xy + y^2) = (x - y)^2 / (x^2 + xy + y^2)

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