If the coefficients of three consecutive terms in the expansion of (1+x)^n are 45 120 and 210 then the value of n

+2 votes
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asked Nov 23, 2017 in Mathematics by Sreedhar (65 points) 4
edited Nov 23, 2017 by Abhishek Kumar

1 Answer

+1 vote
answered Nov 23, 2017 by Abhishek Kumar (14,593 points) 5 9 37
 
Best answer

Solution:

On solving we get n = 10

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