the sum of all odd integers between 2 and 100 divisible by 3 is
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hey mate
Step-by-step explanation:
The odd integers between 2 and 100 which are divisible by 3 are 3, 9, 15, 21, ..., 99.
Here, a=3 and d=6.
an=99
⇒a+(n−1)d=99
⇒3+(n−1)×6=99
⇒6(n−1)=96
⇒n−1=16
⇒n=17
Therefore,
Required sum = n/2 (a+l) = 17/3(3+99) = 867
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