Question

Quantos anagramas podemos forma com as letras da palavra PARÁ ?​

Answer 1

Resposta:

$\textsf{Segue a resposta abaixo}$

Explicação passo-a-passo:

$\boxed{\mathsf{P_n^{a,b,c}=\dfrac{n!}{a!\cdot b!\cdot c!}} }$

$\mathsf{ \underbrace{\sf PAR\acute{A}}_{\sf P_4^2}=\dfrac{4!}{2!}}$

$\mathsf{ P_4^2=\dfrac{4\cdot3\cdot2\cdot1}{2\cdot1}}$

$\mathsf{P_4^2=\dfrac{24}{2} }$

$\boxed{\boxed{ \mathsf{ P_4^2=12}}}$