find 15th term of the series 1, 1/2 ,0 ,-1/2....
Answers
Answered by
2
Answer: we can write a 15
A plus n minus one ×d
A plus and minus 14 d
a+14d
a=1
d=a2-a1
d=1/2-1
d=1/2-2/2
d=-1/2
=:-. a+14d
1+14×-1/2
1-14/2.
2-14/2
-12/2
-6answer
please follow me
Answered by
3
Answer:
-6 ans.
Step-by-step explanation:
Given :
a=1
d=-1/2
an=a+(n-1)d
a15=1+(15-1)×-1/2
=1+14×-1/2
=1-7
=-6 ans.
Hope it is helpful to you !!
Similar questions