1.

Assertion (A) : The number of positive integral solutions of x_(1)+x_(2)+x_(3)=10 is 36. Reason (R) : The number positive integral solutions of the equation x_(1)+x_(2)+x_(3)+.......+x_(k)=n is ""^(n-1)C_(k-1), The correct answer is

Answer»

Both A and R are TRUE and R is the correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is FALSE
A is false but R is true

Answer :A


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