C4 Edexcel June 2017

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i kid you not, it felt as if Jesus led me to this paper, God bless you for this video hope you a blessed day

jellospaghetti
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q6 is very confusing especially e. Thanks for the video

hengjiazhang
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At 50:20 i dont understand how we got lamda to be 3.5 and 0.5. And why is we using lamda= -+3/2 and substituted in an equation to get the two possible positions of B.

habibafoudah
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Hi John - 1:08:56. Any videos that you think will be useful to help understand what you did because i didn't really get the reverse chain rule. Thank you

poeticxrealm
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Thanks for your vid. Q4 you had ln y twice instead of ln2

mensamoo