alleryAccording to the binomial theorem, what does (x + y)^3 expand to?
Ax^3+x^2y+xy^2+y^3
Bx^3+3x^2y-3xy^2+y^3
Cx^3+6x^2y+6xy^2+y^3
Dx^3+3x^2y+3xy^2+y^3
Answer & Solution
Correct answer: D. x^3+3x^2y+3xy^2+y^3
The binomial cube expansion has binomial coefficients 1, 3, 3, 1.
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