find the indicated term of the given binomial expansion
1. (x+2y)⁶ ; 5th term
2. (x+3y)⁸ ; 4th term​


Sagot :

Answer:

[tex]1. {x}^{6} + 12 {x}^{5} y + 60 {x}^{4} {y}^{2} + 160 {x}^{3} {y}^{3 } + 240 {x}^{2} {y}^{4 } + 192x {y}^{5 } + 64 {y}^{6} \\ 2. {x}^{8} + 24 {x}^{7} y + 252 {x}^{6} {y}^{2} + 1512 {x}^{5 } {y}^{3} + 5670 {x}^{4} {y}^{4} + 13608 {x}^{3} {y}^{5} + 20412 {x}^{2} {y}^{6} + 17496x {y}^{7} x + 6561 {y}^{8} [/tex]