SOLUTION: Decide whether each of the following is true or false: a. 6!/3=2! b. 6!/5!=6! c. 6!/4!2!=15 d. n!(n=1)=(n+1)! My answers are below: a. false b. false c.

Algebra ->  Probability-and-statistics -> SOLUTION: Decide whether each of the following is true or false: a. 6!/3=2! b. 6!/5!=6! c. 6!/4!2!=15 d. n!(n=1)=(n+1)! My answers are below: a. false b. false c.       Log On


   

Question 469934: Decide whether each of the following is true or false:
a. 6!/3=2!
b. 6!/5!=6!
c. 6!/4!2!=15
d. n!(n=1)=(n+1)!
My answers are below:
a. false b. false c. true d. true
Could you please look over my answer and provide an explanation as to why they are incorrect?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi, Agree

a. 6!/3= 6*5*4*3*2/3 ≠ 2*1 =  2! F

b. 6!/5! = 6 ≠ 6! F

c. 6!/4!2!= 6*5/2*1 = 15 T

d. n!(n+1)= (n+1)n! = (n+1)! T