প্রমান কর যে, $\lim_{x \to 0} \frac{e^{x} - 1}{x} = 1$

Created: 1 year ago | Updated: 1 year ago

Updated: 1 year ago

$\lim_{x \to 0} \frac{e^{x} - 1}{x} = \lim_{x \to 0} \frac{(1 + \frac{x}{1!} + \frac{x^{2}}{2!} + \frac{x^{3}}{3!} + . . . .) - 1}{x}$

$= \lim_{x \to 0} \frac{x (1 + \frac{x}{2!} + \frac{x^{2}}{3!} + . . .)}{x} = \lim_{x \to 0} \frac{1 + \frac{x}{2!} + \frac{x^{2}}{3!} + . . . .}{1}$

$= 1 ∴ L . H . S = R . H . S (P r o v e d)$

1 year ago

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