$\text{Error}=\left|\text{Exact}4-u\right|$

$\text{Exact}4=x{\text{e}}^x$

u

x

0.0011984

0.1093187

0.1105171

0.10000

0.0024176

0.2418630

0.2442806

0.20000

0.0036788

0.4012789

0.4049576

0.30000

0.0050039

0.5917260

0.5967299

0.40000

0.0064158

0.8179448

0.8243606

0.50000

0.0079393

1.0853320

1.0932713

0.60000

0.0096006

1.4000262

1.4096269

0.70000

0.0114287

1.7690040

1.7804327

0.80000

0.0134553

2.2001875

2.2136428

0.90000

0.0157157

2.7025662

2.7182818

1.00000