(12) points में से (5) points चुनकर pentagon बनाना हो और कोई (3) collinear न हों, तो formula कौन-सा है?
If a pentagon is formed by choosing (5) points from (12) points and no (3) are collinear, which formula is used?
Explanation opens after your attempt
C. \(^{12}C_5\)
Concept
A pentagon needs an unordered selection of (5) points. In exams do not count the order of points when forming a shape.
Why this answer is correct
The correct answer is C. \(^{12}C_5\). A pentagon needs an unordered selection of (5) points. In exams do not count the order of points when forming a shape.
Exam Tip
Pentagon के लिए (5) points का unordered selection चाहिए। परीक्षा में shape बनाते समय points का order न गिनें।
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