Question

Find:-
10th term of the A.P
1,4,7,10
please answer fast
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Answer 1

Answer:

28

Step-by-step explanation:

A.p. 1, 4, 7, 10......

here  a = 1

        d = $a_{2} - a_{1}$ = 4  - 1 = 3

and  n = 10

According to the formula:-

       $a_{n} = a + (n-1)d\\ a_{10} = 1 + (10 - 1) 3\\a_{10} = 1 + (9 * 3)\\a_{10} = 1 + (27)\\a_{10} = 28$