[" Evaluate: "],[" (i) "^(20)C_(4)]

Evaluate : (i) ""^(20)P_(4) (ii) ""^(75)P_(2)

Evaluate: .^(20)C_(5)+^(20)C_(4)+^(21)C_(4)+^(22)C_(4)

Evaluate: .^(20)C_(5)+^(20)C_(4)+^(21)C_(4)+^(22)C_(4)

Evaluate the following: ""^(20)C_(4)=

Evaluate the following: ""^(20)C_(1)=

Evaluate: i^18+i^20

The value of (""^(20) C_(4) +2* ""^(20)C_(3)+""^(20)C_(2) -""^(22)C_(18)) is-

Find the value of (a) ""^(15)C_(4) , (b) ""^(80)C_(2) ( c) ""^(15)C_(4) + ""^(15)C_(5) , (d) ""^(20)C_(16) - ""^(19)C_(16)

Evaluate the following: Q ""^(20)C_(2)