Question

(1+x)的12次方等于2.5 请问X是多少

Answer 1

(1+x)^12 = 2.5

12lg(1+x) = lg2.5

lg(1+x) = lg2.5 / 12

lg(1+x) = 0.03316

1+x = 10^0.03316

x = 10^0.03316 - 1

= 0.07935