Eamcet Mathematics
Algebra Mathematical Induction

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Q.

102n-1+1 for all n ∈ N is divisible by

View Answer

Correct choice: D

Explanation:

102n-1,n =1 ⇒ 11
n=2 ⇒ 10001....
102n-1+1 is divisibe by 11
∴ HCF of 11, 1001 is 11.
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