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If 10^n + 3.4^(n+2) + k is divisible by...

If `10^n + 3.4^(n+2) + k` is divisible by 9 , for all `n in N` , then the least positive integral value of k is

A

5

B

3

C

7

D

1

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • if x^n - 1 is divisible by x - k , then the least positive integral value of k is

    A
    1
    B
    2
    C
    3
    D
    4

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