Question

7,5,3,1,-1,.... find the nth term

Answer 1

Answer:

Step-by-step explanation:

-3 because the sequence is of positive odd numbers to negative odd numbers.

Answer 2

Step-by-step explanation:

Given : A.P.,7,5,3,1,-1

first term(a)=7

comman difference (d)= -2

To find : nth ( an ) term of given A.P.

Solution : We know that,

an = a +(n - 1)×d

=7+(n-1)×-2

=7-2n+2

=9-2n

so,the nth term of A.P. is 9-2n