Evaluate the binomial coefficient 20 C 20 { } _ { 20 } C _ { 20 } 20 C 20 .A) 1B) 0 0 0 C) 19 19 19 D) 20 20 20 E) 2 2 2

Question

Evaluate the binomial coefficient   20 C 20 { } _ { 20 } C _ { 20 } 20 ​ C 20 ​   .A) 1B)    0 0 0 C)    19 19 19 D)    20 20 20 E)    2 2 2

shahrukh omari · Accepted Answer

Final Answer : A, Explanation :   20 C 20 = 20 ! 20 ! ⋅ 0 ! = 1 1 = 1 { } _ { 20 } C _ { 20 } = \frac{20!}{20! \cdot 0!} = \frac{1}{1} = 1 20 ​ C 20 ​ = 20 ! ⋅ 0 ! 20 ! ​ = 1 1 ​ = 1

Evaluate the binomial coefficient ${ } _ { 20 } C _ { 20 }$ .

A) 1
B) $0$
C) $19$
D) $20$
E) $2$

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Evaluate the binomial coefficient 20C20{ } _ { 20 } C _ { 20 }20​C20​ .A) 1B) 000 C) 191919 D) 202020 E) 222

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Learning Objectives

Learning Objectives

Related questions

Evaluate the binomial coefficient ${ } _ { 20 } C _ { 20 }$ .

A) 1
B) $0$
C) $19$
D) $20$
E) $2$