Question

which term
of 6,8,10.....
is 78 )​

Answer 1

Answer:

n=37

Step-by-step explanation:

a=6,d=8-6=2

An=L=78

An=a+(n-1)d

78=6+(n-1)2

78-6=(n-1)2

72=(n-1)2

72/2=(n-1)

36=(n-1)

36+1=n

37=n