1.
If 0<y<21/30 < y < 2^{1/3} and x(y31)=1x(y^3 - 1) = 1, then 2x+23x3+25x5+\frac{2}{x} + \frac{2}{3x^3} + \frac{2}{5x^5} + \ldots is equal to
Binomial Theorem and Its Simple Applications - Medium - Question