If \( { }^{20} C_{r}={ }^{20} C_{r}-10 \), then \( { }^{18} C_{r} \) is equal to (A) 4896 (B) 81...

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If `\ ^20 C_r=\ ^20 C_(r-10) ,\ t h e n\ \ ^18 C_r` is equal to a. 4896 b. 816 c. 1632 d. none

If `.^(20)C_(r)=.^(20)C_(r-10)` then find the value of `.^(17)C_(r)`.

If `.^(20)C_(r+1)=.^(20)C_(r-1)` then find the value of `.^(10)C_(r)`.

यदि .^(n)P_(5)=12xx.^(n)P_(3) तो n का मान ज्ञात कीजिए। | 11 | क्रमचय और संचय | MATHS | SHIVLAAL ...

Prime factor of 144 / Prime factorisation / #publicmaths #shorts #primefactor

यदि .^(20) C_(r) = .^(20) C_(r + 4) हो, तो .^(r) C_(3) = | 11 | क्रमचय और संचय | MATHS | SHIVL...

If .^(n)C_(8)=.^(n)C_(6), then find .^(n)C_(2). | 12 | PERMUTATION AND COMBINATION | MATHS | CE...

If `.^nC_12=^nC_8`, find` .^nC_17 and ^22C_n`