(e^2ln2-ln8+1)^2等于多少有5个但是还是要有过程的A{（e^-2)/4}Be^2Ce^-2D{(e^2)/4}E2e^-2

Question

(e^ 2ln2-ln8+1)^2 等于多少
有5个 但是还是要有过程的 A {（e^-2)/4} B e^2 C e^-2 D {(e^2)/4} E 2e^-2

Answer 1

[e^ (2ln2-ln8+1)]^2
=[e^ (ln4-ln8+1)]^2
=[e^ (ln1/2 +1)]^2
=[e^ (1-ln2)]^2
=[e*1/2]^2
=e^2/4
选择 D