Q.

limx→0ex2-cosxsin2x is equal to

1 3  
2 32  
3 54  
4 2  

Ans.

(2)

limx→0ex2-cosxsin2x=limx→02xex2+sinx2sinxcosx

(Using L'Hospital Rule)

limx→0(xsinxex2+12)1cosx=1+12=32