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

Question 170

Multiple Choice

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


A) n!(n3) !3!cn3yn\frac { n ! } { ( n - 3 ) ! 3 ! } c ^ { n - 3 } y ^ { n }

B)
n!(n4) !4!cn4y4\frac { n ! } { ( n - 4 ) ! 4 ! } c ^ { n - 4 } y ^ { 4 }
C)
n!(n3) !3!cn3y3\frac { n ! } { ( n - 3 ) ! 3 ! } c ^ { n - 3 } y ^ { 3 }

D)
n!(n4) !cn4y4\frac { n ! } { ( n - 4 ) ! } c ^ { n - 4 } y ^ { 4 }

E)
(n3) !(n3) !3!cn3y3\frac { ( n - 3 ) ! } { ( n - 3 ) ! 3 ! } c ^ { n - 3 } y ^ { 3 }

Correct Answer:

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