X.- Extracción de raíces

749.750.
\large \sqrt{\sqrt[3]{b^{2}}}\large \sqrt[3]{8a^{3}\, \sqrt[5]{b^{6}c^{3}}}
751.752.
\large \sqrt[4]{\sqrt[3]{a^{12}b^{4}}}\large \sqrt{\sqrt[7]{a^{6}b^{4}c^{8}}}
753.754.
\large \sqrt[3]{\sqrt[4]{a^{3}b^{6}c^{9}d^{15}}}\large \sqrt[3]{\sqrt[4]{a^{2}b^{5}c^{7}}}
755.756.
\large \sqrt[4]{\sqrt[5]{\sqrt[3]{a^{2}bc^{3}}}}\large \sqrt{2a^{2}x+4abx-2b^{2}x}
757.758.
\large \sqrt{5a^{3}-10a^{2}+5a}\large \sqrt[m]{am\, \sqrt[n]{b^{2m}}}
759.
\large \sqrt{\frac{1}{8}\sqrt{1-3a+3a^{2}-a^{3}}}
760.
\large \sqrt[3]{(\frac{1}{2})^{3}\, \sqrt{(1-a)^{2}}}

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