AS & A Level Maths No. 7. Sigma - from www.mathstutor.biz
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love U
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Thank You, i think i'll pass my test now.
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Oh wow, I never knew that one could make that small equation to figure out the number of terms!
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How to do a sigma notation for a quadratic equation?
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ack you are amazingly good at teaching in laymen terms, assuming not everyone remembers what the variables mean. keep it up, we need more people like you!:) and what a great accent btw
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thanx, keep the good work doing
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Your stuff of ledgend please don't randomly take these videos off or else im going to fail reaaaal bad....Wish me luck for my test and Mathstutor keep it up man you've saved my ass... my teacher won't teach me this agen even tho i dont understand but u have. Thanks xxxx
SuperStef92 3 years ago 2
good luck in your test.
mathstutor
mathstutorbiz 3 years ago
Actually i have one problem which i don't understand which i don't think is really covered by the video, if you could give me a link or help me out i would be eternally grateful which i have just seen...
(a)Prove that the sum of the first n terms of the series is 1/2n(2a+(n-1)d)
Sean repays a loan over a period of n months....
He repays £19 in the 1st mnth, £147 in da 2nd nd £145 in the 3rd.
He makes his final repayment in the nth month where n>21
SuperStef92 3 years ago
Sorry but to answer questions via this medium is not that easy, especially not knowing the student, so I must decline your ask of help. I hope you understand. (If I may suggest you visit my site mathstutorDOTbiz where the complete DVD's are available and could help you, sorry that that is not free!!) Still good luck again.
mathstutorbiz 3 years ago
ok. i am having trouble with this. i can do the problems you put up beacuse they are easy. but... i have no clue what to do for say 1/2, 2/3, 3/4, 4/5 ... or 2/3, 4/9, 8/27, 16/81 ... please help...
fverv 3 years ago
This video clip is only the openning of the DVD that is available from my website mathstutorDOTbiz........... the complete lesson does go on to cover your question/problem
mathstutor
mathstutorbiz 3 years ago