Question
Question: The value of \(13C_{2} +^{13}C_{3} +^{13}C_{4} + .... +^{13}C_{13}\) is...
The value of 13C2+13C3+13C4+....+13C13 is
A
213 – 13
B
213 – 14
C
213 + 13
D
213 + 14
Answer
213 – 14
Explanation
Solution
nC0+nC1+nC2+......+nCn=2n