Question

The 7th term of the A.P 7,10,13,16......is

Answer 1

the formula is tn=a+(n-1)d

a=7

d=3

so, 7+(7-1)3

7+18

the answer is

25

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Answer 2

Hello !!

Find the common difference.

d = (An - Ak)/(n - k)

d = (16 - 10)/(4 - 2)

d = 6/2

d = 3

Find the the 7th term.

An = Ak + (n - k) × d

A7 = 13 + (7 - 3) × 3

A7 = 13 + 4 × 3

A7 = 13 + 12

A7 = 25

Therefore, we have the conclusion that the 7th is 25.

I hope I have collaborated !