Answer :
Answer:
To find possible number of ways the five letter sequence
Given letters are c, p, c, p, z
Total number of provided letter is 5
p and c is repeated twice
Length of sequence is 5
The possible ways are
[tex]=\frac{5!}{2!\times2!}[/tex][tex]\begin{gathered} =\frac{5\times4\times3\times2!}{2!\times2!}=\frac{5\times4\times3}{2}=5\times2\times3 \\ =30 \end{gathered}[/tex]Answer is:30