MCQ
જો $y = x - x^2 + x^3 - x^4 + ……. \infty,$ તો $x$ ની કિંમત=......
- A$y + \frac{1}{y}$
- B$\frac{y}{{1 + y}}$
- C$y - \frac{1}{y}$
- ✓$\frac{y}{{1 - y}}$
$xy = {x^2} - {x^3} + {x^4} - ......\infty $
અંતે, $\,\,y + xy = x + 0 + 0...... + 0$
$ \Rightarrow x - xy = y \Rightarrow x(1 - y) = y \Rightarrow x = \frac{y}{{1 - y}}\,$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.