Expand Using the Binomial Theorem
- $(x+3 y)^{5}$ A) $x^{5}+15 x^{4} y+180 x^{3} y^{2}+540 x^{2} y^{3}+405 x y^{4}+243 y^{5}$

Multiple Choice

Expand using the binomial theorem
- $(x+3 y) ^{5}$

A) $x^{5}+15 x^{4} y+180 x^{3} y^{2}+540 x^{2} y^{3}+405 x y^{4}+243 y^{5}$
B) $x^{5}+15 x^{4} y+180 x^{3} y^{2}+540 x^{2} y^{3}+405 x y^{4}+3 y^{5}$
C) $x^{5}+15 x^{4} y+90 x^{3} y^{2}+270 x^{2} y^{3}+405 x y^{4}+243 y^{5}$
D) $x^{5}+15 x^{4} y+90 x^{3} y^{2}+270 x^{2} y^{3}+405 x y^{4}+243$