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annas Group Title

Solve the differential equation y″ – y′ – 2 y = 0 ? (show the method to solve differential eq with constant coefficient)

  • 2 years ago
  • 2 years ago

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  1. annas Group Title
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    i guess we'll use substitution here ?

    • 2 years ago
  2. wasiqss Group Title
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    lool easly :)

    • 2 years ago
  3. annas Group Title
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    i forgot the method but i have done it by substitute y = e mx

    • 2 years ago
  4. annas Group Title
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    thanks wasiqss

    • 2 years ago
  5. wasiqss Group Title
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    we have to take out complimentary and particular solution right

    • 2 years ago
  6. annas Group Title
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    yes

    • 2 years ago
  7. myko Group Title
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    y'=lambda so: \[\lambda ^{2} - \lambda -2=0\] solving : lambda = 2 and -1 solution: \[y=C _{1}e ^{2t}+C _{2}e ^{-t}\]

    • 2 years ago
  8. wasiqss Group Title
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    first take out factors of this equation

    • 2 years ago
  9. wasiqss Group Title
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    right myko

    • 2 years ago
  10. annas Group Title
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    one more thing how to write the solution when discriminant is zero , positive & negative

    • 2 years ago
  11. wasiqss Group Title
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    in terms of 0, like we have two roots of lamba =2, then answer will be c1e^2+c2xe^2

    • 2 years ago
  12. annas Group Title
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    ok

    • 2 years ago
  13. wasiqss Group Title
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    for negative iota aaajate hain

    • 2 years ago
  14. wasiqss Group Title
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    like in terms of sin and cos chale jaata hai

    • 2 years ago
  15. annas Group Title
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    ok wasiq

    • 2 years ago
  16. annas Group Title
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    thank you myko and wasiqss :)

    • 2 years ago
  17. wasiqss Group Title
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    np khocha ;)

    • 2 years ago
  18. annas Group Title
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    khocha tumhari math achi ha :P

    • 2 years ago
  19. wasiqss Group Title
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    haha mujhe pata hai :D teri aapi ne kafi madad ki hai :)

    • 2 years ago
  20. annas Group Title
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    nice lana is also awesome at maths

    • 2 years ago
  21. wasiqss Group Title
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    yeh she is :)

    • 2 years ago
  22. annas Group Title
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    or khocha tum chay pia gi?

    • 2 years ago
  23. wasiqss Group Title
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    lol elaichi wala :)

    • 2 years ago
  24. annas Group Title
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    hum tum ko badam wala chay peli ga

    • 2 years ago
  25. annas Group Title
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    :P

    • 2 years ago
  26. wasiqss Group Title
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    aala aala khocha khush hua , ab khocha ko medal toh dai :D

    • 2 years ago
  27. annas Group Title
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    oh abhi dati ha tum ko medal :P

    • 2 years ago
  28. wasiqss Group Title
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    aala aalah :D

    • 2 years ago
  29. annas Group Title
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    wallah ya tumhari medal :P

    • 2 years ago
  30. annas Group Title
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    chlo khocha hum tum ko programming seekhati ha

    • 2 years ago
  31. wasiqss Group Title
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    seekha seekha wallah :)

    • 2 years ago
  32. annas Group Title
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    <?php echo 'i <3 khocha :P'; ?> output: i <3 khocha :P

    • 2 years ago
  33. wasiqss Group Title
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    khoocha ka dil garden gardn hogaya :D

    • 2 years ago
  34. annas Group Title
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    lol wallah coding faluda ha

    • 2 years ago
  35. annas Group Title
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    chlo khocha hum chalti ha :P

    • 2 years ago
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