Answer:
what are the excersises
Step-by-step explanation:
30,000
the way you can solve this is by removing all numbers in front of the selected number(in this case, 2 should be removed) then change all numbers behind to 0.
Answer:
xn = n·(n + 1)/2
Step-by-step explanation:
<h3>Answer is -2</h3>
I hope it is helpful for you ....