Question
Use the letters $\mathbf{A}, \mathbf{B}, \mathbf{C},$ and $\mathbf{D}$.Write all permutations of the letters when the letters $\mathrm{B}$ and $\mathrm{C}$ must remain between the letters $\mathrm{A}$ and $\mathrm{D}$.
Step 1
The letters B and C must remain between the letters A and D. This means that A and D will always be at the ends of the permutations, and B and C will be in the middle. Show more…
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Use the Ietters $\mathbf{A}, \mathbf{B}, \mathbf{C},$ and $\mathbf{D}$ Write all permutations of the letters when the letters $\mathrm{B}$ and C must remain between the letters A and D.
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Write all permutations of the letters $ A $, $ B $, $ C $, and $ D $ if the letters $ B $ and $ C $ must remain between the letters $ A $ and $ D $.
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