Question

find indicated terms of the arithmetic progression. A. P is 4,7,10. And Find A18 and A30​

Answer 1

Answer:

A18=55

A30=91

Step-by-step explanation:

4,7,10...

a=4

d=3

Therefore,

a(n)= a+d(n-1)

a18= 4+3(18-1)

=4+51

=55

A30=4+3(30-1)

=4+87

=91