समीकरण \(x_{1}+x_{2}+x_{3}+x_{4}+x_{5}=20\) के धन पूर्णांक हल कितने हैं?
How many positive integer solutions does \(x_{1}+x_{2}+x_{3}+x_{4}+x_{5}=20\) have?
Explanation opens after your attempt
D. (3876)
Concept
For positive integer solutions, give (1) to each variable first. The count is \(^{19}C_{4}=3876\).
Why this answer is correct
The correct answer is D. (3876). For positive integer solutions, give (1) to each variable first. The count is \(^{19}C_{4}=3876\).
Exam Tip
धन पूर्णांक हलों के लिए पहले हर चर को (1) दें। संख्या \(^{19}C_{4}=3876\) है।
Login to save your score, XP, coins and progress.
