Find the values that make this limit true!!?

7a) find what values of a and b is the following equation true?
a)lim(x→0)〖((sin2x/x3)+a+(b/x2)〗)=0
Update: I hope this looks better it was just some weird parenthesis from word.
7a) find what values of a and b is the following equation true?
a)lim(x→0) of ((sin2x/x^3)+a+(b/x^2))=0
1 answer