જો $f(x) = \begin{cases} x^2 - 3, & 2 < x < 3 \\ 2x + 5, & 3 < x < 4 \end{cases}$ હોય,તો જેનાં બીજ $\lim_{x \to 3^-} f(x)$ અને $\lim_{x \to 3^+} f(x)$ હોય તેવું સમીકરણ કયું છે?

  • A
    $x^2 - 7x + 3 = 0$
  • B
    $x^2 - 20x + 66 = 0$
  • C
    $x^2 - 17x + 66 = 0$
  • D
    $x^2 - 18x + 60 = 0$

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નીચેના વિધાનો ધ્યાનમાં લો:
વિધાન $1$: $\lim _{x \rightarrow 1} \frac{a x^{2}+b x+c}{c x^{2}+b x+a} = 1$ (જ્યાં $a+b+c \neq 0$).
વિધાન $2$: $\lim _{x \rightarrow -2} \frac{\frac{1}{x}+\frac{1}{2}}{x+2} = \frac{1}{4}$.

$\lim _{x \rightarrow 1} \left( \frac{x+x^2+x^3+\ldots+x^n-n}{x-1} \right) = $

જો $f(x) = \begin{cases} \frac{2}{5-x}, & x < 3 \\ 5-x, & x > 3 \end{cases}$,તો:

$\mathop {\lim }\limits_{x \to 0} \frac{{x({2^x} - 1)}}{{1 - \cos x}} = $

$\mathop {\lim }\limits_{x \to a} \frac{{{{(x + 2)}^{5/3}} - {{(a + 2)}^{5/3}}}}{{x - a}} = $

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