What are the steps to find a sum of any two terms of this sequence 1,3,5,7 is 75
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Answer:
we know that
Step-by-step explanation:
Sn = n/2 [ 2a + (n-1)d ]
you want to find out the sum of first 2 terms of the given AP
where a=1 , d=2 , Sn=75 ,
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