જો $\int_3^b \frac{x-1}{2x-x^2} dx = \frac{1}{2}$ હોય,તો $(b-1)^2 =$

  • A
    $2$
  • B
    $\sqrt{2}$
  • C
    $1+\frac{3}{e}$
  • D
    $\sqrt{\frac{3}{e}-1}$

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ધારો કે $\phi (x) = \int_{0}^{1} e^{x} e^{t} \phi (t) dt + x$. જો $\phi (\ln (e^{2} - 3))$ એ $A$ બરાબર હોય,તો $A$ ની કિંમત શોધો.

જો $a \in Z^{+}$,$[x]$ એ $x$ થી વધુ ન હોય તેવો મહત્તમ પૂર્ણાંક હોય અને $\int_0^a 2^{[x]} dx = 127$ હોય,તો $a =$

$f(x) = \begin{cases} x^2, & 0 \leq x < 1 \\ \sqrt{x}, & 1 \leq x \leq 2 \end{cases} \implies \int_0^2 f(x) \, dx = ?$

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