Integrate the following expression: ∫
(dx)/(81-196x^(2))

A) ∫
(dx)/(81+196x^(2))
B) ∫
(dx)/(81-196x^(2))
C) ∫
(dx)/(81-196x)
D) ∫
(dx)/(81+196x)
Note: The unnecessary spaces and words have been removed to make the question concise and clear.