Find the Maclaurin polynomial of degree 3 for the function f(x, y) = ln(1 + xe
y) and use it to find an approximate value for ln(1 + 0.1 e
0.2). State your answer to 5 decimal places.
◦ x +

x
2 + xy +

x
3 - x
2y +

xy
2, 0.12530
◦ x -

x
2 + xy +

x
3 - x
2y -

xy
2, 0.11513
◦ x -

x
2 + xy +

x
3 - x
2y +

xy
2, 0.11533
◦ x +

x
2 + xy +

x
3 + x
2y +

xy
2, 0.12933
◦ x +

x
2 - xy +

x
3 - x
2y +

xy
2, 0.07531