find the 25th term of the ap -5,-5/2,0,-5/2,.....
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Step-by-step explanation:
A.P--5,-5 ,0,5
2 2
a=-5
d=5
2
n=25
an=a+(n-1)d
a25=-5+24(5/2)
=-5+60
=55
25th term of the A.P=55
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