Question

In an AP, an - an - 1 =

[1 mark]
d
Sn
a
an

Answer 1

✪ᴀɴsᴡᴇʀ✪

• $a_{n} - a_{n-1} =d$

★ᴇxᴘʟᴀɪɴᴀᴛɪᴏɴ★

The difference in consecutive terms of an AP is constant. This difference is known as common difference of the AP, denoted by d.

Since $a_{n}, a_{n-1}$ are consecutive terms of an AP, their diffetence is d.

Answer 2

Answer:the answer to this question is the first option- d

Step-by-step explanation: the formula to this is an-an-1=