Question 1179419


Binomial

{{{(3x -y)^5}}}


={{{(5C0)(3x)^(5-0)*(-y)^0 +(5C1)(3x)^(5-1)*(-y)^1+(5C2)(3x)^(5-2)*(-y)^2+(5C3)(3x)^(5-3)*(-y)^3+(5C4)(3x)^(5-4)*(-y)^4+(5C5)(3x)^(5-5)*(-y)^5}}}


={{{(1)(3x)^5*1 -(5)(3x)^4*y+(10)(3x)^3*y^2-(10)(3x)^2*y^3+(5)(3x)*y^4-(1)(3x)^0*y^5}}}

={{{3^5*x^5 -5*3^4*x^4*y+10*3^3*x^3*y^2-10*3^2*x^2*y^3+5*3x*y^4-y^5}}}

={{{243x^5 -405x^4*y+270x^3*y^2-90x^2*y^3+15x*y^4-y^5}}}