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Assertion (A) : The number of positive i...

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

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is not correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
A
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
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