Question

Write the first term of the sequence whose nth term is 1-3n

Answer 1

Step-by-step explanation:

an = 1-3n

put n= 1

a1 = 1-3×1

=1-3

a1 = -2

We know that.....

a1=a (first term)

so, a= -2

Answer 2

Answer:

-2 is first term of the sequence