3^n-2n-1 is divided by: a) 15 b) 4 c) 6 d) 64 Please tell why

Subject:
Math
Author:
paytonmorales
Created:
1 year ago

Answers 1

Answer:

(b) 4

Step-by-step explanation:

let n=2

3²-2(2)-1= 9-4-1=5-1=4

therefore it can be divisible by 4

Author:

bravoysjy
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