Me ayudas por favor es regla de ruffini apretá mi perfil y ve mi pregunta
There are 6C3 = 20 such combinations.
abc, abd, abe, abf
acd, ace, acf, ade
adf, aef, bcd, bce
bcf, bde, bdf, bef
cde, cdf, cef, def
The sequence whose verb is equal it's called equation
The answer is C I thought it was D at first