Aktivitas Mandiri 2 matematika minat halaman 27

Aktivitas Mandiri 2 matematika minat halaman 27

Jawaban:

${(2x - 5)}^{2x + 1} = {(2x - 5)}^{x - 2} \ 2x + 1 = x - 2 \ x = - 3$

${( {x}^{2} - 2x + 1) }^{x + 9} = {( {x}^{2} - 4) }^{x + 9} \ {x}^{2} - 2x + 1 = {x}^{2} - 4 \ - 2x = - 5 \ x = frac{5}{2}$