Question

common difference of given AP is : 9 , 5 , 1 , -3 , -7, ............ *​

Answer 1

$\huge\underbrace\mathcal\pink{here \: is \: your \: answer}$

Given AP : 9 , 5 , 1 , -3 , -7, .........

Here, a1 = 9 and a2 = 5

Common difference = (a2 - a1)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= (5 - 9)

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= -4

Hope it helps ✌✌✌

Answer 2

Answer:

the common difference is -4

Step-by-step explanation:

as in AP to find the common difference we have to subtract the 2nd number with 1st number

like 5-9=-4,1-5=-4,etc