The algebraic expression of a sequence is 97-8n (a) What is the 12th term (b) What is the sum of the first 12 terms of the sequence (c) Whether the sum of any number of terms of the sequence will be 400 ? Why?
Answers
Answered by
0
Answer:
I hope that it will help you plz mark me as brainliest
Step-by-step explanation:
a
n
=5n
2
+2n
(a) First term =5(1)
2
+2(1)=5+2=7
Sum of the first two terms =5(2)
2
+2(2)=20+4=24.
(b) First term =7
Second term =24−7=17.
Similar questions