Find ∫(ex+e−x) dx\int (e^x + e^{-x})\,dx∫(ex+e−x)dx.
ex−e−x+Ce^x - e^{-x} + Cex−e−x+C
ex+e−x+Ce^x + e^{-x} + Cex+e−x+C
ex−e−xe^x - e^{-x}ex−e−x
2sinhx+C2\sinh x + C2sinhx+C