Question

If the first term of an AP is 2.5
and the common difference is
.3, then the 15th term of the AP
is​

Answer 1

Answer:

54.5

Step-by-step explanation:

ᴀs ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ ᴀɴ =ᴀ+(ɴ-) ᴅ

ᴛʜᴇʀᴇғᴏʀᴇ,

.+(-)×

.+(×)

.+

.

ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ

Answer 2

Answer:

First term of an AP is 2.5

So, a1=2.5

Common difference is d=3

Formula: an=a1 + (n-1)d

We have to find the 15th term. So n=15

a