Find the value of 2 over 9 minus 4 over 27 plus dot dot dot plus the quotient of the product of negative 1 raised to the n plus 1 power and 2 to the nth power and the quantity 3 raised to the n plus 1 power plus dot dot dot . (10 points)

Question

A) 1/5
B) 1/6
C) 2/15
D) the value of the series is not a finite number

is it 2/15 or 1/6?

Answer 1

a = 2/9
r = -2/3
S = a/(1-r) = (2/9) / (1 + 2/3) = 2/15

If you didn't do the math, you're just guessing.

Answer 2

analy