Question

30th term of AP : 10,7,4......,is​

Answer 1

Answer:

Here, A = 10 ; d = 7 - 10 = -3 and n is 30

We know that,

An = A + ( n - 1)d

A30 = 10 + ( 30 - 1)(-3)

A30 = 10 + (29)(-3)

A30 = 10 - 87

A30 = -77

i.e. the 30th term of the given AP is -77.