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Across
  1. 5. A First order PDE of the form z = px + qy + f(p,q) is also known as……..
  2. 6. The highest ordered derivative present in the equation.
  3. 8. Equation which includes atleast 1 of the partial derivatives r,s,t but none of higher order is…..
  4. 10. The Linear PDE containing derivatives of same order is known as …….
  5. 11. The solution of non linear pde of the form f(x,y,z,p,q)=0 is done by using………
  6. 12. The equation Pp+Qq=R is known as ……..equation.
  7. 13. An equation of the form dx/P=dy/Q=dz/R is known as ………
  8. 15. The method used for solving non linear PDE of first order.
Down
  1. 1. The complete solution of f(D,D’)z = 0 is known as ……………… function.
  2. 2. The greatest power of the highest ordered derivative present in the equation.
  3. 3. Differentiation of f(x,y) w .r. t one variable treating other as constant is called……
  4. 4. The complete solution CF+PI is known as ……….. solution.
  5. 7. A PDE which involves p and q with degree higher than one and pq is called ……
  6. 9. The method used for solving second order non linear PDE is…………
  7. 14. A DE which involves p and q with degree 1 and are not multiplied together is called ……