Expand Using the Binomial Theorem
- $(x+3 y)^{6}$ A) $x^{6}+18 x^{5} y+135 x^{4} y^{2}+540 x^{3} y^{3}+1215 x^{2} y^{4}+1458 x y^{5}+729 y^{6}$

Multiple Choice

Expand using the binomial theorem
- $(x+3 y) ^{6}$

A) $x^{6}+18 x^{5} y+135 x^{4} y^{2}+540 x^{3} y^{3}+1215 x^{2} y^{4}+1458 x y^{5}+729 y^{6}$
B) $x^{6}+18 x^{5} y+36 x^{4} y^{2}+54 x^{3} y^{3}+36 x^{2} y^{4}+18 x y^{5}+3 y^{6}$
C) $x^{6}+18 x^{5} y+108 x^{4} y^{2}+486 x^{3} y^{3}+972 x^{2} y^{4}+1458 x y^{5}+729 y^{6}$
D) $x^{6}+18 x^{5} y+729 x^{4} y^{2}+60 x^{3} y^{3}+729 x^{2} y^{4}+18 x y^{5}+3 y^{6}$