Question

Hello there!


Can I get some help with this please?

Show your work!

Answer 1

Try this solution (if it is possible, check it in other sources):
1.

`\lim_(x \to 0) (sin2x)/(x) =2 \ (x \to 0+0; \ x \to 0-0).`
2. using the item 1, the best range is x=-0.03;-0.02;-0.01;0.01;0.02;0.03, it is including the positive and negative values of x.

answer: -0.03; -0.02; -0.01 etc.