Which summation formula represents the series below?

we are given

we can rewrite it as

so, total number of terms is 4

now, we can find nth term

we can write it in sigma form

we can also write it as

so, option-A.........Answer

this was already solved by me with a different person. if you look it up in the search bar at the top of the page, you will get the answer.

step-by-step explanation:

black lol

step-by-step explanation:

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i can tell you jamal now has 3 cookies xd

tommy has 2.

this made me lol.