ini bagaimana cara nya ya?? ada yg bisa bantu??

No 1.
[tex] \frac{ {( {a}^{4}. {b}^{5}. {c}^{2}) }^{3} }{ {( {a}^{6} . {b}^{4} . {c}^{ - 3} )}^{2} } = \frac{{a}^{12}. {b}^{15} . {c}^{6} }{ {a}^{12}. {b}^{8} . {c}^{ - 6} } \\ = {a}^{12 - 12} . {b}^{15 - 8} . {c}^{6 - ( - 6)} \\ = {a}^{0} . {b}^{7} . {c}^{12} = {b}^{7} . {c}^{12} [/tex]
No 2.
[tex] {x}^{ \frac{5}{4} } + {y}^{ \frac{1}{2} } - {z}^{ \frac{ - 3}{2} } \\ {16}^{ \frac{5}{4} } + {36}^{ \frac{1}{2} } - ({ \frac{1}{9} })^{ - \frac{3}{2} } \\ {2}^{4 \times \frac{5}{4} } + {6}^{2 \times \frac{1}{2} } - {3}^{ - 2 \times - \frac{3}{2} } \\ {2}^{5} + 6 - {3}^{3} \\ 32 + 6 - 27 \\ 11[/tex]