Respuesta :

Wallind11

Step-by-step explanation:

The following sequence is in AP

Suppose the first term is denoted by"a" and the common difference by"d"

a=3

d=4.5-3= 1.5

the nth term = a + (n-1)d

= 3+(n-1)1.5

=3+1.5n -1.5

=1.5+1.5n

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