Determine the Wronskian W(n)=anbn+1−an+1bnW(n) = a_n b_{n+1} - a_{n+1} b_nW(n)=anbn+1−an+1bn for the sequences an=2na_n = 2^nan=2n and bn=3nb_n = 3^nbn=3n.
W(n)=6nW(n) = 6^nW(n)=6n
W(n)=−6nW(n) = -6^nW(n)=−6n
W(n)=2nW(n) = 2^nW(n)=2n
W(n)=3nW(n) = 3^nW(n)=3n