SOLUTION: I need help with this problem, it is multiplying and dividing factorials.
In case you cannot tell:
/= Division
*= Multiplication
6!/2!4! * 5!/4!1!
Thank you!
Algebra.Com
Question 72163This question is from textbook Algebra 2
: I need help with this problem, it is multiplying and dividing factorials.
In case you cannot tell:
/= Division
*= Multiplication
6!/2!4! * 5!/4!1!
Thank you!
This question is from textbook Algebra 2
Found 2 solutions by checkley75, jim_thompson5910:
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
(6*5[4*3*2*1])/(2*1[4*3*2*1])(5[4*3*2*1])/([4*3*2*1]*1)
MANY OF THESE MULTIPLIERS CAN BE CANCELLED OUT FROM THESE FRACTIONS. ITEMS BRACKETED[] CAN BE CANCELLED. THUS
(6*5/2*1)(5/1) THUS WE HAVE
30/2*5/1=150/2=75
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
6!/2!4! * 5!/4!1! is equivalent to
Notice how there are repeating terms of 4*3*2*1
These terms cancel out.
Now just multiply and divide as you normally would
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