Question

INTEGRATE...............

Answer 1

Answer:

$answer \: is \: \pi$

$here \: i \: s \: the \: solution$

Answer 2

$\displaystyle\int_{ -2 }^{ 2 } ( { x }^{ 3 } \cos ( \dfrac{ x }{ 2 } ) + \dfrac{ 1 }{ 2 } ) \sqrt{ 4- { x }^{ 2 } \phantom{\tiny{!}}} d x$

$\mathrm{Evaluating\:using\:numerical\:calculation\:methods}$

$=3.14159\dots$