Răspuns:
a)
[tex]( - 2a {}^{3} b) {?}^{2} [/tex]
[tex]( - 2) {}^{2} \times (a {}^{3} ) { \times b}^{2} [/tex]
[tex]4a {}^{6} b {}^{2} [/tex]
b)
[tex](3xy {}^{2} ) {}^{4} [/tex]
[tex](3 {}^{4} \times {}^{4} \times (y {}^{2} ) {}^{4} [/tex]
[tex]81x {}^{4} y {}^{8} [/tex]
c)
[tex]( \frac{1}{3} x {}^{5} y) {}^{3} [/tex]
[tex]( \frac{1}{3} ) {}^{3 } \times ( x {}^{5} ) {}^{3} \times y {}^{3} [/tex]
[tex] \frac{1}{27} x {}^{15} y {}^{3} [/tex]
d)
[tex]( \frac{ \sqrt{2} }{4} ab {}^{5} ) {}^{4} [/tex]
[tex] \frac{4}{256} a {}^{4} b {}^{20} [/tex]
[tex] \frac{1}{64} a {}^{4} b {}^{20} [/tex]
Sper că îţi este de ajutor! COROANA