The sum of the first n terms of the arithmetic progression 5, 11, 17, 23, 29, 35, ... is?
a
n(3n - 0.5)
b
n(3n + 2)
c
n(3n + 2.5)
d
n(3n + 5)
Explanation
Correct Option
bVideo Explanation
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The sum of the first n terms of the arithmetic progression 5, 11, 17, 23, 29, 35, ... is?
n(3n - 0.5)
n(3n + 2)
n(3n + 2.5)
n(3n + 5)
