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# This was a first order differential equation. I made it a second order differential eqn. | # This was a first order differential equation. I made it a second order differential eqn. Sage prompted us "Is k positive,negative or zero" |
Book
Advanced Engineering Mathematics
Author
Erwin Kreyszig
Edition
8th Edition
#unsolved #prob:- 7 x = var('x') k = var('k') y = function('y',x) sol=desolve(diff(y,x,x) + k*y - exp(-k*x), [y,x]) sol # This was a first order differential equation. I made it a second order differential eqn. Sage prompted us "Is k positive,negative or zero"
Solution by:
- Aashita Kesarwani, Student, IIT Roorkee
- Praveen Kumar, Student, IIT Roorkee
- Swati Ahuja,Student,IIT Roorkee