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Mathematics, 16.12.2019 19:31 BreBreDoeCCx

Which expression is equivalent to rootindex 3 startroot startfraction 75 a superscript 7 baseline b superscript 4 baseline over 40 a superscript 13 baseline c superscript 9 baseline endfraction endroot? assume a not-equals 0 and c not-equals 0.
a. startfraction a cubed b (rootindex 3 startroot 15 b squared endroot) over 2 c cubed endfraction
b. startfraction b (rootindex 3 startroot 15 b endroot) over 2 a squared c cubed endfraction
c. startfraction a cubed b (rootindex 3 startroot 15 b squared endroot) over 6 c cubed endfraction
d. startfraction b (rootindex 3 startroot 15 b endroot) over 2 a c endfraction

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Which expression is equivalent to rootindex 3 startroot startfraction 75 a superscript 7 baseline b...
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