Question

the first three terms of a p with first term 1 and common difference=-2​

Answer 1

Answer:

1 , -1 , -3 ,-5

Step-by-step explanation:

The Formula of an AP is

a , a+d , a+2d . . . .

Likewise,

1 , 1 - 2 , 1 - 4 , 1 - 6, . . . .

So,

1 , -1 , -3 , - l5

Answer 2

$\red{ANSWER}$

a = 1 , d = -2

a = 1

a2 = a+d = -1

a3 = a+2d = -3

$\green{THANK YOU}$