Solve the problem.
-Which statement is true about row 3 in Pascal's Triangle?
A) The entries in row 3 correspond to the coefficients of $( x + y ) ^ { 4 }$.
B) The entries in row 3 correspond to the coefficients of $( x - y ) ^ { 3 }$.
C) The entries in row 3 correspond to the coefficients of $( x + y ) ^ { 3 }$.
D) The entries in row 3 correspond to the coefficients of $( x + y ) ^ { 2 }$.

Question

Solve the problem.
-Which statement is true about row 3 in Pascal's Triangle? 
A) The entries in row 3 correspond to the coefficients of $( x + y ) ^ { 4 }$.
B) The entries in row 3 correspond to the coefficients of $( x - y ) ^ { 3 }$.
C) The entries in row 3 correspond to the coefficients of $( x + y ) ^ { 3 }$.
D) The entries in row 3 correspond to the coefficients of $( x + y ) ^ { 2 }$.

Quizplus · Accepted Answer

The entries in row 3 of Pascal's Triangle (1, 3, 3, 1) correspond to the coefficients of the expansion of $(x + y)^3$, not $(x + y)^4$, $(x - y)^3$, or $(x + y)^2$.

Solve the Problem (x+y)4( x + y ) ^ { 4 }(x+y)4

Solve the Problem $( x + y ) ^ { 4 }$