In the expansion of (ex-1-x)/x2 in ascending powers of x ,the 4 th​ term is

Dear Student,

ex-1-xx2=1+x+x22!+x33!+x44!+x55!+...-1-xx2=x22!+x33!+x44!+x55!+...x2=1x2x22!+x33!+x44!+x55!+...=12!+x3!+x24!+x35!+...Thus, 4th term is x35!.

Regards

  • 2
What are you looking for?