ધારો કે $A = \{ \theta : 2\cos^2 \theta + \sin \theta \le 2 \}$ અને $B = \{ \theta : \frac{\pi}{2} \le \theta \le \frac{3\pi}{2} \}$,તો $A \cap B$ શું છે?

  • A
    $\left\{ \theta : \theta \in \left[ \pi, \frac{3\pi}{2} \right] \right\}$
  • B
    $\left\{ \theta : \theta \in \left[ \frac{\pi}{2}, \frac{7\pi}{6} \right] \right\}$
  • C
    $\left\{ \theta : \theta \in \left[ \frac{\pi}{2}, \frac{\pi}{6} \right] \right\}$
  • D
    $\left\{ \theta : \theta \in \left[ \frac{\pi}{2}, \frac{5\pi}{6} \right] \cup \left[ \pi, \frac{3\pi}{2} \right] \right\}$

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જો $A$ અને $B$ બે અરિક્ત ગણ હોય,તો $(A - B) \cup (B - A)$ કોના બરાબર છે?

કોઈપણ બે ગણ $A$ અને $B$ માટે, $A-(A-B)$ બરાબર શું થાય?

જો $P, Q$ અને $R$ એ ગણ $A$ ના ઉપગણો હોય,તો $R \times (P^c \cup Q^c)^c =$

નીચે આપેલી ગણની જોડીઓનો યોગગણ શોધો:
$A = \{a, e, i, o, u\}$,$B = \{a, b, c\}$.

જો $A=\{3, 5, 7, 9, 11\}, B=\{7, 9, 11, 13\}, C=\{11, 13, 15\}$ અને $D=\{15, 17\}$ હોય,તો $A \cap (B \cup D)$ શોધો.

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