.................1165 только.......

Question

.................1165 только.......

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Answer 1

A)=3^(n+n-1)=3^(2n-1);
б) =3^(-2n) *3^4n=3^(-2n+4n)=3^(2n);
в) =3^(5n+2-3n-5)=3^(2n-3)
г)=3^(-n) *3^(2n)=3^(-n+2n)=3^n;
д) =3^(3(n-1)) : 3^(-2n)=3^(3n-3+2n)=3^(5n-3);
е)=3^(-2n) * 3^(5(n+2))=3^(-2n+5n+10)=3^(3n+10)