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Can't follow this

  • 03-09-2012 07:20PM
    #1
    Inbox
    Closed Accounts Posts: 810 ✭✭✭


    I have a differential question but unsure how my teachers notes went like this, .

    1=1/2e^(2pi)-1+c

    Next line he gets,

    C=2-1/2e^(2pi)

    How did he swap it around to get the answer please?


Comments

  • #2
    TheBody
    Registered Users, Registered Users 2 Posts: 5,657 ✭✭✭TheBody


    Hi op. Hopefully you can follow this:

    [latex]1=\frac{1}{2}e^{2\pi}-1+c [/latex]
    Subtract c from both sides we get:
    [latex]1-c=\frac{1}{2}e^{2\pi}-1 [/latex]
    Subtract 1 from both sides to get:
    [latex]-c=\frac{1}{2}e^{2\pi}-2 [/latex]
    Multiply both sides by -1:
    [latex]c=2-\frac{1}{2}e^{2\pi} [/latex]


  • #3
    Inbox
    Closed Accounts Posts: 810 ✭✭✭Inbox


    That's great thank you.


  • #4
    TheBody
    Registered Users, Registered Users 2 Posts: 5,657 ✭✭✭TheBody


    Inbox wrote: »
    That's great thank you.

    No probs!!


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