Question : if and . Find K
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What have you tried? Since and , and Also . Put those into the equations and see what you get.
Originally Posted by zorro Question : if and . Find K . . . . Substitute this all into the DE. Now try to solve for K.
Originally Posted by Prove It . . . . Substitute this all into the DE. Now try to solve for K. After going thrght the steps and procedure i am stuck at this steps
Originally Posted by HallsofIvy What have you tried? Since and , and Also . Put those into the equations and see what you get. I think this is not correct. so, we have now: from here you can calculate: Putting all this in the given differential equation, you can obtain K. (I got 2) Coomast
Originally Posted by Coomast I think this is not correct. so, we have now: from here you can calculate: Putting all this in the given differential equation, you can obtain K. (I got 2) Coomast I am getting y'' as is that correct mate...
Originally Posted by zorro I am getting y'' as is that correct mate... "Mate" that's correct. Written more simply as: And putting all in the original DE gives for K.... Coomast
Originally Posted by Coomast "Mate" that's correct. Written more simply as: And putting all in the original DE gives for K.... Coomast mate this might be silly question but need to make sure In the above equation where did go how did u get rid of it, did u take it as '1'
Originally Posted by zorro mate this might be silly question but need to make sure In the above equation where did go how did u get rid of it, did u take it as '1' Yes, Zorro, indeed, it is equal to 1. It is one of the most basic goniometric relations. Why would you assume this is not so? coomast
Originally Posted by Coomast Yes, Zorro, indeed, it is equal to 1. It is one of the most basic goniometric relations. Why would you assume this is not so? coomast I guess mate i am doubting myself now days.... 1 more question .... I am stuck her now
Originally Posted by zorro I guess mate i am doubting myself now days.... 1 more question .... I am stuck her now No, this is wrong. Expand the given factor of the DE as: Can you proceed from here? Coomast edit: a "+" sign had to be a "-" sign....corrected
Last edited by Coomast; December 1st 2009 at 12:27 PM.
Originally Posted by Coomast No, this is wrong. Expand the given factor of the DE as: Can you proceed from here? Coomast Yes got the aanswer 2 Thanks mate ........God bless u ........and thanks again for helping me .......Cheers mate
Last edited by mr fantastic; December 2nd 2009 at 02:48 AM.
Zorro, You're welcome Coomast
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