If {:(f(x),=(logx-log7)/(x-7),",",x != 7...

If `{:(f(x),=(logx-log7)/(x-7),",",x != 7),(,=k, ",",x = 7):}` is continuous at `x = 7`, then the value of k is

A

(a) `1/3`

B

(b) `1/5`

C

(c) `1/7`

D

(d) `1/9`

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The correct Answer is:

C

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