a pangkat 2 log 1/a= a. 2a b. 1/2 c. - 1/2 d. - 1/2a e. - 2

[tex] log_{ {a}^{2} }( \frac{1}{a} ) = log_{ {a}^{2} }(1) - log_{ {a}^{2} }(a) \\ = \frac{ log_{a}(1) }{2} - \frac{ log_{a}(a) }{2} \\ = 0 - \frac{1}{2} \\ = - \frac{1}{2} [/tex]