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How many strings of letters from the set (A, B, C, D, E} are there which have length six, have no repeated letters, and start with the letter 'E' and end with the letter 'A'? O O 4 × 3 × 2 O 6x5x4x3 5x4x3 x 2 None of the other answers listed here is correct. 46 44 64

How many strings of letters from the set (A, B, C, D, E} are there which have length six, have no repeated letters, and start with the letter 'E' and end with the letter 'A'? O O 4 × 3 × 2 O 6x5x4x3 5x4x3 x 2 None of the other answers listed here is correct. 46 44 64

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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How many strings of letters from the set (A, B, C, D, E} are there which have length six, have no repeated letters, and start with the letter 'E' and end with the letter 'A'? O O O 4 × 3 × 2 6x5x4x3 5×4×3×2 None of the other answers listed here is correct. 46 64
Transcribed Image Text:How many strings of letters from the set (A, B, C, D, E} are there which have length six, have no repeated letters, and start with the letter 'E' and end with the letter 'A'? O O O 4 × 3 × 2 6x5x4x3 5×4×3×2 None of the other answers listed here is correct. 46 64
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