Find the 25th term of the AP -5, -5/2,0,5/2
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Step-by-step explanation:
a= -5
d= a2-a1
d= -5/2-0
d= -5/2
n=25
Tn= a+(n-1)d
Tn= -5+(25-1)-5/2
Tn= -5+(24×-5/2)
Tn= -5+(-60)
Tn= -5-60
Tn= -65
hence 25th term is 65
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