1.

Let n and k be positive integers such that n gt (k(k+1))/2. The number of solutions (x_(1),x_(2), . ..x_(k)),x_(1) ge 1, x_(2) ge 2,, . . .x_(k) ge k for all integers satisfying x_(1)+x_(2)+ . . .+x_(k)=n is:

Answer»


ANSWER :`(1)/(2)(2n-k^(2)+k-2)C_(k-1)`


Discussion

No Comment Found

Related InterviewSolutions