Find a positive value of m for which the coefficient of x^2 in the expansion (1 + x)^m is 6.

+3 votes
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asked Jan 12, 2017 in Mathematics by Rohit Singh (61,782 points) 35 133 354

Find a positive value of m for which the coefficient of x2 in the expansion (1 + x)m is 6.

1 Answer

+4 votes
answered Jan 13, 2017 by vikash (21,277 points) 4 19 70
selected Jan 13, 2017 by Rohit Singh
 
Best answer

Solution:

Thus, the positive value of m , for which the coefficient of x 2 in the expansion 

(1 + x ) m is 6, is 4. 

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