anonymous
  • anonymous
Solve the differential equation y″ – y′ – 2 y = 0 ? (show the method to solve differential eq with constant coefficient)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
i guess we'll use substitution here ?
wasiqss
  • wasiqss
lool easly :)
anonymous
  • anonymous
i forgot the method but i have done it by substitute y = e mx

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anonymous
  • anonymous
thanks wasiqss
wasiqss
  • wasiqss
we have to take out complimentary and particular solution right
anonymous
  • anonymous
yes
anonymous
  • anonymous
y'=lambda so: \[\lambda ^{2} - \lambda -2=0\] solving : lambda = 2 and -1 solution: \[y=C _{1}e ^{2t}+C _{2}e ^{-t}\]
wasiqss
  • wasiqss
first take out factors of this equation
wasiqss
  • wasiqss
right myko
anonymous
  • anonymous
one more thing how to write the solution when discriminant is zero , positive & negative
wasiqss
  • wasiqss
in terms of 0, like we have two roots of lamba =2, then answer will be c1e^2+c2xe^2
anonymous
  • anonymous
ok
wasiqss
  • wasiqss
for negative iota aaajate hain
wasiqss
  • wasiqss
like in terms of sin and cos chale jaata hai
anonymous
  • anonymous
ok wasiq
anonymous
  • anonymous
thank you myko and wasiqss :)
wasiqss
  • wasiqss
np khocha ;)
anonymous
  • anonymous
khocha tumhari math achi ha :P
wasiqss
  • wasiqss
haha mujhe pata hai :D teri aapi ne kafi madad ki hai :)
anonymous
  • anonymous
nice lana is also awesome at maths
wasiqss
  • wasiqss
yeh she is :)
anonymous
  • anonymous
or khocha tum chay pia gi?
wasiqss
  • wasiqss
lol elaichi wala :)
anonymous
  • anonymous
hum tum ko badam wala chay peli ga
anonymous
  • anonymous
:P
wasiqss
  • wasiqss
aala aala khocha khush hua , ab khocha ko medal toh dai :D
anonymous
  • anonymous
oh abhi dati ha tum ko medal :P
wasiqss
  • wasiqss
aala aalah :D
anonymous
  • anonymous
wallah ya tumhari medal :P
anonymous
  • anonymous
chlo khocha hum tum ko programming seekhati ha
wasiqss
  • wasiqss
seekha seekha wallah :)
anonymous
  • anonymous
output: i <3 khocha :P
wasiqss
  • wasiqss
khoocha ka dil garden gardn hogaya :D
anonymous
  • anonymous
lol wallah coding faluda ha
anonymous
  • anonymous
chlo khocha hum chalti ha :P

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