The first and last trm of an AP are 5and 45respectively if the sum of all.its term is 400 find commem difference with explanation
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Answer:
Step-by-step explanation:
N= 400/25
=16
No tr3ms are 16
T16=45
a+15d=45
5+15×d=45
15d=40
d=8/3
=2.66
Difference is 2.66
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