Answer:
[tex]20x^3y^3[/tex]
Step-by-step explanation:
Using the binomial expansion theorem
[tex](x+y)^6 = x^6+6x^5y+15x^4y^2+20x^3y^3+15x^2y^4+6xy^5+y^6[/tex]
Thefore, the fourth term is
[tex]20x^3y^3[/tex]
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