Calculate the exact area enclosed by the graph of and the -axis over the entire real…

MATHEMATICS · Subjective · AP · Calculus BC · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

Calculate the exact area enclosed by the graph of

y=\dfrac{4}{x^{2}+4}

and the

x

-axis over the entire real line

(-\infty,\infty)