Task/26217409
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(√x - √y)(⁶√x + ⁶√y) ( ∛x - ⁶√(xy) + ∛y ) =(√x -√y)*(√x + √y) =(√x )² -(√y )² = x - y.
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(a+b)(a² -ab +b²) =a³ +b³
(⁶√x + ⁶√y) * ( (⁶√x) ² - ⁶√x * ⁶√y + (⁶√y ) ² ) = (⁶√x + ⁶√y) ( ∛x - ⁶√(xy) + ∛y ) =
(⁶√x)³ + (⁶√y)³ = √x + √y ..