Question

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-+
The sum of the first n terms of the series
1 3 7 15
2 4 8 16
is ....
A) 2n - n-1
B) 1-2-
C) n + 2-n-1 D) 2n - 1
+
18+​

Answer 1

hello what are you doing today I am so tanse today because tomorrow is my F A 1 or two exam hai hindi or telugu what can I do

Step-by-step explanation:

mana to preparation bhi nahi ki