Partial sums intro | Series | AP Calculus BC | Khan Academy

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The partial sum of an infinite series as the sum of the first few terms (and hence it's only partial). This seemingly simple concept is very useful in thinking about infinite series.

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I love this guy: ''If someone were to walk up to you on street and say -Okay, now that you know notation for a partial sum... ''

josipgavran

How do you know what the SsubN is based on the Series? 😅 Or is it just actually given when solving the problem?

tinay_reads

Is there a general way to derive the partial sum formula from an infinite sigma notation (assuming that the infinite series is convergent)?

UltimateBargains

Ssub6 if it is adding all the terms is equal to 102515/255936. Please explain why you only used the last one as in

freebird

So partial sum is just a shortcut to do a sum? (Like, converting a sigma notation that has variable i in it and an upper boundary of n to some formula that no longer requires the i variable and uses n variable instead?)

adityaadit

like others if you are going ro find a partial sum you are supposed to add a sub 1 - a sub 6 but you just computed the S sub 6??

Queen-uwww

what an interactive explanation 😂. Everything make sense now 😉

dushsam

3:00 let's just pull that out of thin air. I hate that I don't get any of this

EmpyreanLightASMR

This makes no sense. If you're adding a1+a2+a3+a4+a5+a6 then why do you only calculate

freebird

Can you tell how we can say this series cgs to a number meaning finding that number
This question asked many time

shivibaby

Sal no one on the street ask us these questions

asjednazir

Bro, it could be reduced to 3/20, just divide by 11.

sabitaraniraiguru

The sum of the first 6 terms cannot be equal to the 6th term alone. What the hell is this?

NiteSaiya

Partial sums intro | Series | AP Calculus BC | Khan Academy

Partial sums intro | Series | AP Calculus BC | Khan Academy

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