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a=-5
d=5/2
25th term = a + 24d
= -5 + 24×5/2
= 55
thus the 25th term is 55
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Answer:
Step-by-step explanation:
A.P given is -5,-5/2,0,5/2,....
First term (a) = -5
Common difference (d)= -5/2 - (-5/2)
= -5/2+5
= -5+10/2
d= 5/2
Then, 25 th term will be
T25= a+(n-1)d
= a+(25-1)d
= -5+24*5/2
= -5+12*5
=-5+60
= 55
ankita4644:
Ohhh plzzz!!
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