यदि \(^{13}C_4=^{13}C_m\) और \(m\neq4\) है तो (m) क्या होगा?
If \(^{13}C_4=^{13}C_m\) and \(m\neq4\), what is (m)?
Explanation opens after your attempt
B. (9)
Concept
By symmetry (m=13-4=9). In exams equal combinations may have indices summing to (n).
Why this answer is correct
The correct answer is B. (9). By symmetry (m=13-4=9). In exams equal combinations may have indices summing to (n).
Exam Tip
Symmetry से (m=13-4=9)। परीक्षा में equal combinations में indices का sum (n) भी हो सकता है।
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