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can anyone help me figure out how to work this I got the right answer but I don't remember how I did it
what are you looking for here?
just how to solve the equation again the sequence is -5, 20, -65, 200, ... Just don't remember how i figured it out
let me rewrite your problem \(f(0)=-5~~and ~~f(1)=20\) the recursive formula is given by \(f(n)=-4f(n-1)-3f(n-2)) ~~~for ~~n>1\)
so the first two term of this sequence are -5,20 and you said you are looking for how many terms?
is that your concern?
I just can't seem to get the same sequence again
to find the next term you just use that recursive formula f(2)=-4f(1)-3f(0)=-4(20)-3(-5)=-80+15=-65
I remember now thank you so much for your help
so for f(3)=-4f(2)-3f(1)=-4(-65)-3(20)=....?
it makes more sense than what I was doing
what were you doing?
i was trying to plug in the numbers to figure out for 2 and using the solutions like n - (-5)
hmm you went off the hock lol
well you got it now :)
again thank you so much
no problem :)