C-03-Q076mediumsingle_mcqCube of (2x+3y)=?(2x+3y) = ?(2x+3y)=?a8x3+36x2y+54xy2+27y38x^3 + 36x^2 y + 54xy^2 + 27y^38x3+36x2y+54xy2+27y3b8x3+18x2y+27xy2+27y38x^3 + 18x^2 y + 27xy^2 + 27y^38x3+18x2y+27xy2+27y3c6x3+36x2y+54xy2+27y36x^3 + 36x^2 y + 54xy^2 + 27y^36x3+36x2y+54xy2+27y3d8x3+27y38x^3 + 27y^38x3+27y3ব্যাখ্যাUsing (a+b)3(a+b)^3(a+b)3 with a=2x, b=3ya=2x,\,b=3ya=2x,b=3y: (2x)3+3(2x)2(3y)+3(2x)(3y)2+(3y)3=8x3+36x2y+54xy2+27y3(2x)^3+3(2x)^2(3y)+3(2x)(3y)^2+(3y)^3=8x^3+36x^2y+54xy^2+27y^3(2x)3+3(2x)2(3y)+3(2x)(3y)2+(3y)3=8x3+36x2y+54xy2+27y3.