How do you give someone a brainliest?

If two people answer, will put a mark next to the answers that says "Mark as Brainliest". Whichever answer you think is the best, you click the "Mark as Brainliest" and then the answerer gets "Brainliest Answer!" at the top of their answer.

If one person answers and no one else does, will give you a notification a week or so later, saying something like "Mark the user's answer Brainliest".

Hope I helped :)

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for