L= lim x tends to zero  Sin2x + aSinx/x^3 = finite 
then find L and a

Dear student

l'Hopital's Rule. It is used to circumvent the common indeterminate forms 0/0 and ∞/∞ when computing limits.

  • 3
it will be helpful for me if you solve by expansion
  • 1
What are you looking for?