Evaluating the partial sum of a arithmetic series

👉 Learn how to find the partial sum of an arithmetic series. A series is the sum of the terms of a sequence. An arithmetic series is the sum of the terms of an arithmetic sequence. The formula for the sum of n terms of an arithmetic sequence is given by Sn = n/2 [2a + (n - 1)d], where a is the first term, n is the term number and d is the common difference. Where the last term is known, we can use Sn = n/2 (a + l) where l is the last term.

Organized Videos:
✅Series
✅Series | Learn About
✅Find the Sum of the Arithmetic Series
✅Find the Sum of the Geometric Series
✅Write the Rule of the Geometric Series
✅Find the Sum of a Series
✅Write the Rule of the Series

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[christophermendez]

You have been my quarantine math teacher, thanks!

[maresahsmith]

THANK YOU SO MUCH!!! I’ve been trying to find an example of this for forever!! you’re an awesome teacher!

[henryfreeman]

You are a great teacher!! I love that you film in the classroom. So helpful.

[gabrielsuys]

For the students who dont understand why it is 91 it's because you start counting from 10 and not 11, it's like counting from 0 to 10 you'd have 11 numbers at the end.

[dannyboyz]

Wow I thought the "6n" at the very start was a "Gn" and I was really confused where you started getting the 6(10) from later. I thought you were doing some geometric average and pulling the 6 out of thin air... then I realized... that G is a 6.

[Gohar]

You’re so much better at teaching this than my normal teacher.

[MountMonty]

You're the man. Thank you for uploading this.

[ilyaazad]

Thank you so much I understand this very well. But I practiced step by step with you three times.
THank you!

[aishwaryanair]

THANK YOU! I have been looking for an example of this since ages! This was a great explanation!

[Nerdcromancer]

Thank you so much!! I've been stuck on finding the number of terms I need so this was perfect for me! Awesome explanation!

[Vampireskins]

I wish i had a teacher like you hehehe

[MahirAbdillah]

Does the top term on sigma notation mean the last value or last term number of the series

[linnaung]

Thank you sir! You simplified my problem!

[joyceinterior]

Do you have video about finding the value of x?

[hamaidi]

make it easy for your students . nbr of values = (last value -first value)/D+1
in this case nbr of values = (600-60)/6+1=91
easy formula
come from the general form Gn=Go+rN but when we substitute Gn with GL (last value) number of the values in this case is n-1 value ( from 0 to n is n-1 times
the form will be GL=Go+r(N-1) <=> GL-Go=rN-r <=> n=(GL-Go)/r+1
thanks

[animelover]

Finally no need for module just questions🤣🤣🤣

[lovelysisters]

good job but the picture is not seen clearly please makw it vissible