engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Mathematics Permutations and Combinations Combination Function and its properties
\(\rm \begin{pmatrix} 15\\ 8\end{pmatrix}+\begin{pmatrix} 15\\ 7\end{pmatrix}=\begin{pmatrix} \rm n\\ \rm r\end{pmatrix}\)
ତାପରେ n ଏବଂ r ର ଭାଲ୍ୟୁଗୁଡ଼ିକ ହେଉଛି:
ଯେଉଁଠାରେ, \(\begin{pmatrix} \rm n\\ \rm r\end{pmatrix} = {}^nC_r\)
1
16 ଏବଂ 7
2
16 ଏବଂ 8
3
16 ଏବଂ 9
4
30 ଏବଂ 15