Question

which term of the ap is 11 8 5 -------is - 10​

Answer 1

Answer:

8th

Step-by-step explanation:

an=a+(n-1)d

a=11 d=-3

11+(n-1)(-3)=-10

11-3n+3=-10

-3n+14=-10

-3n=-24

n=8

8th term the values will be -10

Answer 2

The answer is " n = 8 "

Step-by-step explanation:

The A.P. is 11, 8, 5, ____

The formula is An = A1 + ( n - 1 ) d

Here,

A1 = 11

d= 11-8 = -3

n= ?

-10 = 11 + ( n - 1 ) ( -3 )

-21 = 3 - 3n

24 = 3n

n = 8