The expression defines the given series for seven terms, i don't understand the question but i do know the sum which you should know to
15 + 19 + 23 = 57
Sorry
You dont have a picture so idk the answer but its most likely E if thats an answer choice.
Answer:
7^2/x^2-2 for x =3
49/9-2
49/7
7
answer is 7
Step-by-step explanation:
