Răspuns:
Explicație pas cu pas:
[tex]\frac{3*4^{10}-5*4^{12}}{8^{12}} = \\\\=\frac{3*4^{10}-5*4^{10+2}}{(4^2)^{12}} = \\\\=\frac{3*4^{10}-5*4^2*4^{10}}{4^{24}} = \\\\=\frac{4^{10}*(3-5*4^2)}{4^{24}} = \\\\=\frac{4^{10}*(3-5*16)}{4^{24}} = \\\\=\frac{4^{10}*(3-80)}{4^{24}} = \\\\=\frac{-77}{4^{14}}=\\\\=-\frac{77}{4^{14}} =[/tex]
