which term of an AP 3,8,13......is 248. who answers correct will be marked as brainliest
Answers
Answered by
2
Answer:
a = 3 , d = 8-3 = 5
an = a + (n-1)d
248 = 3 +(n-1)5
3 + 5n - 5 = 248
5n - 2 = 248
5n = 250
n = 50
Answered by
0
Answer:
Given AP 3,8,13..........248
Step-by-step explanation:
Asked:Which term is 248
Formula:
anth=a+(n-1)d
Given in AP:
an=248, n=?, d=8-3=5, a=3
To find
nth Term
Solution:
Put Values in Formula
248=3+(n-1)5 .......(take +3 to LHS it will became -3)
248-3=(n-1)5
245=(n-1)5 .........(take 5 which is Multiply in RHS to
divide)
245/5=(n-1)
49=n-1
49+1=n
50=nth Term
•°• 248 is 50th Term Of AP:3,8,13
(Mark It as Brainliest)
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