Question

which term of the AP 1,4,7..... is 88​

Answer 1

Answer:

Let a=1

and d=4−1=3

We know:

T

n

=a+(n−1)d

∴88=1+(n−1)3

⇒(n−1)=

3

88−1

=29

∴n=30

Step-by-step explanation:

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Answer 2

Let a=1 and d=4-1=3

Now,

88=1+(n-1)3

87/3= n - 1

29 + 1 = n

Therefore, n=30