Evaluate the given integral. Select the correct answer.
$$\int _ { 0 } ^ { 1 / 7 } \frac { 1 } { 1 + 49 x ^ { 2 } } d x$$
A) $\frac { \pi } { 35 }$
B) $\frac { \pi } { 21 }$
C) $\frac { \pi } { 14 }$
D) $\frac { \pi } { 28 }$

Question

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The Answer of Evaluate the given integral. Select the correct answer.
$$\int _ { 0 } ^ { 1 / 7 } \frac { 1 } { 1 + 49 x ^ { 2 } } d x$$
A) $\frac { \pi } { 35 }$
B) $\frac { \pi } { 21 }$
C) $\frac { \pi } { 14 }$
D) $\frac { \pi } { 28 }$

Evaluate the Given Integral ∫01/711+49x2dx\int _ { 0 } ^ { 1 / 7 } \frac { 1 } { 1 + 49 x ^ { 2 } } d x∫01/7​1+49x21​dx

Evaluate the Given Integral $\int _ { 0 } ^ { 1 / 7 } \frac { 1 } { 1 + 49 x ^ { 2 } } d x$