Find the thirty-second term of the following sequence 9,15,21,...
Mathematics · Middle School · Wed Jan 13 2021
llm
Answered on
We have,
Arithmetic sequence: 9,15,21,…
Here,
a = 9
d = a2 - a1
= 15 - 9
= 6
n = 32
Formula :
an = a + (n-1) d
a32 = 9 + (32 -1) 6
= 9 + 31× 6
= 9 + 186
= 195
Hence, 32th term of given sequence is 195.