Question

Calcule o valor das expressões a seguir: a) 6!3!= b) 15!13!.2!=

Answer 1

Resposta:

A) aplicar o fatorial 6! : n!=1•2•3•4•...•n

6!= 1•2•3•4•5•6

= 1•2•3•4•5•6•3!

aplicar o fatorial 3! : n!1•2•3•...•n

3!= 1•2•3

=1•2•3•4•5•6•1•2•3

= 4320.

B) aplicar o fatorial 15! : n!1•2•3•...•n

15!=1•2•3•4•5•6•7•8•9•10•11•12•13•14•15

=1•2•3•4•5•6•7•8•9•10•11•12•13•14•15•13!

aplicar o fatorial de 13! : n!1•2•3•...•n

13!= 1•2•3•4•5•6•7•8•9•10•11•12•13•14•15•1•2•3•4•5•6•7•8•9•10•11•12•13

=8.14292...E21