Question

which term of AP 5,2,-1,......is-49??​

Answer 1

Answer:

19th term

Explanation:

First term= 5

common diff. = -3

Therefore,

-49 = 5 + ( n - 1) * -3

-49 - 5 = ( n - 1 ) * -3

- 54 / - 3 = ( n - 1 )

18 = n - 1

n = 18 + 1

n = 19

19 th term is -49.

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Answer 2

Answer:

17

Step-by-step explanation:

for nth term there is a formula

refer the attachment for steps