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Let n be a positive even integer. The ratio of the largest coefficient and the 2nd largest coefficient in the expansion of (1 + x)n is 11:10. The the number of terms in the expansion of (1 + x)n is (A) 20 (B) 21 (C) 10 (D) 11

Let n be a positive even integer. The ratio of the largest coefficient and the 2nd largest coefficient in the expansion of
(1 + x)n is 11:10. The the number of terms in the expansion of (1 + x)n is
(A) 20 (B) 21 (C) 10 (D) 11

Grade:

1 Answers

Vikas TU
14149 Points
one year ago
Dear student 
B is correct option..............................................................................................................................................

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