What Is Answer In -4 And 8 3 In Arithmetic Means

What is answer in -4 and 8 3 in Arithmetic means

 

Answer:

-4,-1,2,5,8

Step-by-step explanation:

Insert 3 arithmethic Means

-4,_,_,_,8

a1=-4

an=8

n=5

d= ?

an=a1+(n-1)d

8=(-4)+(5-1)d

8=4d−4

4d=12

d=3

an=-4+(n-1)3

nth term : an=3n−7

a2=3(2)−7

a2=−1

a3=3(3)−7

a3=2

a4=3(4)−7

a4=5

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