The sum of 25
terms of the AP-2/3,
-2/3,-2/3,....
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Answer:-16.67 approx
Step-by-step explanation:
A1=-2/3
A2=-2/3
D=A1-A2
=-2/3 -(-2/3)
=0
Now,
S 25 =25/2(-4/3+24×0)
=25/2 ×-4/3
=-50/3
=-16.6666667
=-16.67 approx.
Wish mate this is helpful for you........
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