T(n)=nT2(n/2),T(1)=6,n=2k (log base is 2)
T(2k)=2kT2(2k−1),T(1)=6, Let ak=T(2k),bk=log ak
ak=2k(ak−1)2,a0=6
bk=2bk−1+k,b0=log 6bk=(3+log 3)2k−k−2
T(n)=2^(3n−2) 3^n/n
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