Find the anti-derivative for 6348x2dx\displaystyle \int\frac{{6}}{\sqrt{{{3}-{48}{x}^{{2}}}}}{\left.{d}{x}\right.}=  

Evaluate the definite integral 0.250.256348x2dx\displaystyle {\int_{{-{{0.25}}}}^{{0.25}}}\frac{{6}}{\sqrt{{{3}-{48}{x}^{{2}}}}}{\left.{d}{x}\right.}=