一條數學題

2010-02-28 12:25 am

given that n is a positive integer . simplify the following and express your answers in positive indices.

8^3n+1 ÷ 16^2n

回答 (4)

2010-02-28 1:50 am

✔ 最佳答案

8^3n+1 ÷ 16^2n
=2^9n+3/2^8n
=2^n+3

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2010-02-28 2:08 am

8^3n+1 ÷ 16^2n
= 2^3(3n+1)/2^4(2n)
= 2^(9n+3)/2^(8n)
= 2^(9n+3-8n)
= 2^(n+3)

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2010-02-28 12:38 am

8^3n+1 ÷ 16^2n
=2^n+1

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2010-02-28 12:33 am

=78nui45365sfe09123trwe75

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