Question

The nth term of the sequence
-2,1,4,7,10

Answer 1

Explanation:

An = -2+(n-1)3

An=-5+3n

Answer 2

soln,

here first term(a)= -2

second term (t2) = 1

common difference (d) = t2 - a

= 1 +2 = 3

now,

nth term = a + (n-1)d

= -2 + ( n - 1) 3

= -2 + 3n - 3

= 3n - 5