i don't know how to solve this..i thought F should have 3 components.. i got many different results...
could u pls write the steps, if it's not the problem..
thank you very much Danny!
i don't know how to solve this..i thought F should have 3 components.. i got many different results...
could u pls write the steps, if it's not the problem..
thank you very much Danny!
Picking it up from your first post - the characteristic equations are: