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.

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) (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 

 

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