please solve it quickly....
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0
Answer:
ans of the question is
= 6/4
Answered by
1
Answer:
+5/4
Step-by-step explanation:
a=-5/4
d= -1-(-5/4)=1/4
An=17/4
substituting in,
An=a+(n-1)d
We get, n=23
middle term =12th term
subsituting in above formula for n= 12,
We get, A12= 5/4
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