Current location - Trademark Inquiry Complete Network - Tian Tian Fund - 1. The principal is 1 yuan. If you invest in a fund, the annual fixed income will be 5% (compound interest), and the sum of the principal and interest after 1 years of investment is sought.
1. The principal is 1 yuan. If you invest in a fund, the annual fixed income will be 5% (compound interest), and the sum of the principal and interest after 1 years of investment is sought.

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let me answer:

1. First year: 1+1*5%=1(1+5%)

Second year: 1 (1+5%)+1 (1+5%) 5% = 1 (.

The second power of

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The nth year: 1(1+5%) to the nth power

Therefore, the total amount in the 1th year should be 1(1+5%) to the 1th power =1628.89 (yuan)

2. Think for yourself:

First year: 1+1*5%=1(1+5%)

Second year: 1(1+5%) squared+1(1+5%)

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