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The value of "n" in this question...... its method of diff. And A.P factorial!!!

The value of "n" in this question...... its method of diff. And A.P factorial!!!

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Grade:11

1 Answers

Umang goyal
23 Points
6 years ago
Find out n terms which is (n^2-n+1)(n-1)!How?Let s =1+3+7+13.. S=. 1+3+7+13......Subtract both equationWe get the n term

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