If |x| < 1, then the sum of the series
1 + 2x + 3x2 + 4x3 + ... ∞ will be
I. \(\frac{1}{(1 + x)^2}\)
II. \(\frac{1}{(1 - x)^2}\)
Which of the above statement(s) is/are correct?
1
Only I
2
Only II
3
Both I and II
4
Neither I nor II
If |x| < 1, then the sum of the series
1 + 2x + 3x2 + 4x3 + ... ∞ will be
I. \(\frac{1}{(1 + x)^2}\)
II. \(\frac{1}{(1 - x)^2}\)
Which of the above statement(s) is/are correct?