Mathematics - Area Under Curves Question with Solution | TestHub

Area bounded by $\mathrm{y}=\{\mathrm{x}{\}}^{[\mathrm{x}]}+[\mathrm{x}]$, x-axis between $\mathrm{x}=0$ and $\mathrm{x}=3$ (where [.] denotes greatest integer function & {.} denotes fractional part of function), is -