Question

How many terms are there in A.P. -2,-5,-8,.........-49?

Answer 1

Answer:

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Explanation:

to find the term from the last make the sequence as reverse like

49,46,43,....-5,-8,-11

now find the 4th term from starting

given

a=49

d=-3

T4=a+3d

   =49+3(-3)

    =49-9

    =40

hence The 4th term from the end of the AP: –11, –8, –5, ..., 49 is 40