Question

R=?q1=q2=3н КлҒ=0,9мН

Answer 1

R=√9×10^9×3×10^-9×3×10^-9/0,9×10^-3=√81×10^-9/0,9×10^-3=9×10^-5

Answer 2

It seems that you've provided some symbols and equations, but they are not clear. It's difficult for me to understand the context or what you are asking.

If you could provide more information or clarify your question, I'll be happy to try and help you with your query. Please explain the meaning of the symbols and equations you provided, or let me know what specific information you're looking for.