the 10th term an AP is 3, 1, -1, -3
Answers
Answered by
2
Answer:
11th term a you .........
Answered by
0
Answer:
3,1,-1,-3.........
a10=?
a=3.
d=a2-a1=1-3=-2. (because +×-=- & largest number is important).
an=a+(n-1)d.
a10=3+(10-1)(-2).
=3+(9)(-2).
=3-18. (because +×-=-).
=-15. (because +×-=- & largest number is important).
Similar questions