C-03-Q077mediumsingle_mcqCube of (2x−y)=?(2x-y) = ?(2x−y)=?a8x3−12x2y+6xy2−y38x^3 - 12x^2 y + 6xy^2 - y^38x3−12x2y+6xy2−y3b8x3+12x2y+6xy2+y38x^3 + 12x^2 y + 6xy^2 + y^38x3+12x2y+6xy2+y3c8x3−y38x^3 - y^38x3−y3d8x3−6x2y+12xy2−y38x^3 - 6x^2 y + 12xy^2 - y^38x3−6x2y+12xy2−y3ব্যাখ্যাUsing (a−b)3(a-b)^3(a−b)3 with a=2x, b=ya=2x,\,b=ya=2x,b=y: (2x)3−3(2x)2y+3(2x)y2−y3=8x3−12x2y+6xy2−y3(2x)^3-3(2x)^2y+3(2x)y^2-y^3=8x^3-12x^2y+6xy^2-y^3(2x)3−3(2x)2y+3(2x)y2−y3=8x3−12x2y+6xy2−y3.