Given a positive integer n, how many strings of n letters from the English alphabet (26 letters) begin or end with a consonant? (assume exclusive or). n-1 ○ 2(21) (26)”—¹ — 2(21)² (26)”—² n-1 ○ 2(21) (26)¹-¹ — 2(21)(26)”—² (21)(26)”—² n-1 O 2(21) (26)-¹ 2(21) (26)¹-¹ – (21)² (26)”—² O None of these.

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A: Determine the number of distinguishable permutations of 10 objects where object A occurs 2 times,…

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A: Given A = 123-4  and   B = 50-67

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Q: 4- 「メ-5

A: The detailed solution is as follows below:

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Q: Assume that the sum of the digits of a number, n, in base 10, equals to 16. Example: n= 97 is one…

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Q: What is element a32 in 2A-3B if 01 B = |-2 -1 6 4] -4 0. 1 A = -1 31 2 -4 6 9. -1 1 21 8. 15

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