POT POURI - ROUND 1

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Across
  1. 2. √(S/4π)=____ where S is the surface area of sphere.
  2. 8. (d^2 y)/(dx^2 )+y=0 , here 2 is the _______ of the differential equation.
  3. 10. almost x but never x until at infinity.
  4. 11. butterflies,pizzas,circles.
  5. 12. order of addition and multiplication does not matter.
Down
  1. 1. not true.
  2. 3. maximum value.
  3. 4. ∑(1/n), n=1,2,3,...
  4. 5. field dealing with events and chances.
  5. 6. θ in e^(iθ).
  6. 7. triangle with unequal sides.
  7. 9. (0,1) and (1,2) are.