Question

pls solve it fast in steps Its Urgent
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Answer 1

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Answer 2

$\sqrt[3]{( - {a}^{6 \: } {b}^{3 \: } {c}^{21) \div}( {c}^{9} {a}^{12} ) = } \\ - {a}^{2} b {c}^{7} \div {c}^{3} {a}^{4} = \\ b {c}^{3} {a}^{ - 2}$
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