Question

Solve:

Lim x--> infinity sinx/(x^2)

Answer 1

hint : Squeeze theorem

Answer 2

need more help ?

Answer 3

Yes! How would you do it using squeeze theorem?

Answer 4

because
-1<sinx<1

we get

-1/x^2 < sinx/x^2 < 1/x^2

what is the limit of both
-1/x^2 and 1/x^2
as x goes to inf ?

Answer 5

0! Thank you!