Indices

Indices

Secondary 3

Let \[M=2^5\times3^4.\] Find the smallest positive integer \(N\) such that \(MN\) is both a perfect square and a perfect cube.
Then find:

  1. \(\sqrt{MN}\);

  2. \(\sqrt[3]{MN}\).

Explain why your \(N\) is the smallest.

Solution:

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Answer:\(N=18\); (a) \(216\); (b) \(36\).

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