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Find the 4th Term in the Binomial Expansion (x+y)n( x + y ) ^ { n }

Question 182

Multiple Choice

Find the 4th term in the binomial expansion. (x+y) n( x + y ) ^ { n }


A) (n3) !(n3) !3!xn3y3\frac { ( n - 3 ) ! } { ( n - 3 ) ! 3 ! } x ^ { n - 3 } y ^ { 3 }
B) n!(n4) !4!xn4y4\frac { n ! } { ( n - 4 ) ! 4 ! } x ^ { n - 4 } y ^ { 4 }
C) n!(n3) !3!xn3y3\frac { n ! } { ( n - 3 ) ! 3 ! } x ^ { n - 3 } y ^ { 3 }
D) n!(n4) !xn4y4\frac { n ! } { ( n - 4 ) ! } x ^ { n - 4 } y ^ { 4 }
E) n!(n3) !3!xn3yn\frac { n ! } { ( n - 3 ) ! 3 ! } x ^ { n - 3 } y ^ { n }

Correct Answer:

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