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Use Factorial Notation
- an=n2(n+1)!a _ { n } = \frac { n ^ { 2 } } { ( n + 1 ) ! }

Question 120

Multiple Choice

Use Factorial Notation
- an=n2(n+1) !a _ { n } = \frac { n ^ { 2 } } { ( n + 1 ) ! }


A) 12,23,38,215\frac { 1 } { 2 } , \frac { 2 } { 3 } , \frac { 3 } { 8 } , \frac { 2 } { 15 }
B) 1,23,14,1151 , \frac { 2 } { 3 } , \frac { 1 } { 4 } , \frac { 1 } { 15 }
C) 12,23,34,45\frac { 1 } { 2 } , \frac { 2 } { 3 } , \frac { 3 } { 4 } , \frac { 4 } { 5 }
D) 1,23,12,251 , \frac { 2 } { 3 } , \frac { 1 } { 2 } , \frac { 2 } { 5 }

Correct Answer:

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