1. Jan 24, 2015 #1

   MechanicalBrank

   

   1. The problem statement, all variables and given/known data
   D1 = {(x,y) : x^2 + y^2 < 3, x+2y = 2}
   D2={(x,y) : x^2 + y^2 > 2}
   D3={(x,y) : x + 2y = 2}
   2. Relevant equations
   
   
   3. The attempt at a solution
   D1 is neither, D2 is open and D3 is closed, am I right or wrong?

    

   MechanicalBrank, Jan 24, 2015
2. 
   Phys.org - latest science and technology news stories on Phys.org

   • • Traveling to the sun: Why won't Parker Solar Probe melt?
   • • Research suggests another way Neanderthals were like us: They could start their own fires
   • • Fruit fly species can learn each other's dialects
3. Jan 24, 2015 #2

   PeroK

   

   Science Advisor

   Homework Helper

   Insights Author

   Gold Member

   Right!

    

   PeroK, Jan 24, 2015

• Log in with Facebook
• Log in with Twitter

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in