![\displaystyle\bf\\\sqrt[3]{-729a^9b^6}=\\\\=\sqrt[3]{\Big(-1\Big)^3\times\Big(9\Big)^3\times\Big(a\Big)^{3\times3}\times\Big(b\Big)^{2\times3}}=\\\\\\=\sqrt[3]{\Big(-1\Big)^3\times\Big(9\Big)^3\times\Big(a^3\Big)^3\times\Big(b^2\Big)^{3}}=\\\\\\=(-1)\times9\times a^3\times b^2=\\\\=\boxed{\bf-9a^3b^2}\\\\Correct~answer\!:~~~a)](/tpl/images/0691/0461/47596.png)
What is the cube root of -729a^9b^6
a.-9a^3b^2
b.-9a^2b^3
c.-8a^3b^2
d.-8a^2...
Mathematics, 20.06.2020 22:57 Poohpooh1510
What is the cube root of -729a^9b^6
a.-9a^3b^2
b.-9a^2b^3
c.-8a^3b^2
d.-8a^2b^3
Answers: 1
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