Question

please solve this one

Answer 1

1323=3×3×3×7×7
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on pairing one 7×7 is left so the required no is 7 by which 1323 should be multiplied to get perfect cube

1323×7=3×3×3×7×7×7
$\sqrt[3]{1323} = \sqrt[3]{3 \times 3 \times 3 \times 7 \times 7 \times 7} \\ = 3 \times 7 \\ = 21$

Answer 2

By prime factorization
We get
1323 = 3×3×3×7×7

To get a perfect cube root we multiplied 7 for it

Since 7 is the least no.. which is multiplied for 1323 ans