GATE CSE
First time here? Checkout the FAQ!
x
0 votes
65 views

asked in Combinatory by Active (2k points)   | 65 views

1 Answer

+1 vote
Best answer

This is one form of stars and bars problem where x,y,z should be non zero.

The number of solutions to the equation x+y+z=17 where x,y,z are positive integers, is given by

(n−1 C k−1)

Here, n=17,k=3 and thus we will get 120 as answer.

Ref: https://en.wikipedia.org/wiki/Stars_and_bars_%28combinatorics%29

.

 

 

answered by Boss (6k points)  
selected by

Related questions

0 votes
1 answer
1
asked in Mathematical Logic by rahul sharma 5 Loyal (5k points)   | 43 views


Top Users Jun 2017
  1. Bikram

    3912 Points

  2. Arnab Bhadra

    1526 Points

  3. Hemant Parihar

    1502 Points

  4. Niraj Singh 2

    1491 Points

  5. Debashish Deka

    1450 Points

  6. junaid ahmad

    1432 Points

  7. pawan kumarln

    1278 Points

  8. Rupendra Choudhary

    1242 Points

  9. rahul sharma 5

    1240 Points

  10. Arjun

    1228 Points

Monthly Topper: Rs. 500 gift card
Top Users 2017 Jun 26 - Jul 02
  1. pawan kumarln

    410 Points

  2. akankshadewangan24

    334 Points

  3. Arjun

    268 Points

  4. Abhisek Das

    230 Points

  5. Bikram

    208 Points


23,433 questions
30,147 answers
67,595 comments
28,476 users