Question

The first term and the common difference of an A.P. are 12 and 4
respectively. If tn = 96, Find n?

Answer 1

Answer:

Here's your answer, mate!!

Answer 2

Step-by-step explanation:

a=12

d=4

an=96

n=?

an=a+(n-1) d

96=12+(n-1)4

96-12=(n-1)4

84/4=(n-1)

21=(n-1)

21+1=n-1

n=22