(D^2+8D-9)Y=0
DIFFERENTIAL EQUATION

Question

(D^2+8D-9)Y=0
DIFFERENTIAL EQUATION

anonymous · Answer

BOUNDARIES ARE 
y(1)=1
y(1)=0

anonymous · Answer

general solution was 
y=C1e^x+C2e^-9x

irishboy123 · Answer

y(1)=1
y(1)=0

sic??

y(1)=1
y'(1)=0

anonymous · Answer

AFTER APPLYING THE BOUNDARY CONDITIONS I GOT
1=C1e+C2e^-9
0=C1e-9C2e^-9

irishboy123 · Answer

read my post again.  there is a typo in your IV's.

anonymous · Answer

NOW I HAVE TO FIND THE VALUES OF C1 AND C2
HERE I THINK IM DOING SOME MISTAKE CAN YOU HELP PLEASE

amistre64 · Answer

all caps is not an effective means of comunication ...

anonymous · Answer

sorry

amistre64 · Answer

your setup is fine, you have a system of 2 eqs in 2 unknown, solve by your favorite algebra method

anonymous · Answer

i subtracted eq1 from eq2

anonymous · Answer

simultaneous method

amistre64 · Answer

then solve for c2

anonymous · Answer

but im getting a wrong answer  can you please show me the solution so i can see what mistake i have made

amistre64 · Answer

show me wht you did after subtraction, its that way you see your own error

anonymous · Answer

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amistre64 · Answer

your subtraction is in error

amistre64 · Answer

-1-9 = -10

anonymous · Answer

can you please show it in the simultaneous method format please

amistre64 · Answer

write your work out ... and you shuld see it quite clearly

anonymous · Answer

i tried its all jumbled up

amistre64 · Answer

i cant help you with your organizational skills.  you ahve the correct system, you have the correct enough process ... youve messed up on your subtraction.

anonymous · Answer

But you have to wait ill try again

amistre64 · Answer

type it out instead of trying to draw it if it helps

anonymous · Answer

amistre64 · Answer

youve got the correct results on your paper now, what do we do?

anonymous · Answer

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