If \( A=\{\phi,\{\phi\}\} \), then the power set of \( A \) is
(A) \( \mathrm{A} \)
(B) \( \{\ph... VIDEO
If \( A=\{\phi,\{\phi\}\} \), then the power set of \( A \) is
(A) \( \mathrm{A} \)
(B) \( \{\phi,\{\phi\}, A\} \)
(C) \( \{\phi,\{\phi\},\{\{\phi\}\}, A\} \)
(D) none of these
P
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2022-12-01 Let \( A=\{1,2,3, \ldots \ldots, 45\} \) and \( R \) be the relation is square of in \( A \). Wh... 2022-12-01 The set of all integers \( x \) such that \( |x-3|2 \) is equal to
(A) \( \{1,2,3,4,5\} \)
(B) \... 2022-12-01 Let \( R \) be a relation in \( N \) defined by \( R=\{(x, y): x+2 y=8\} \). The range of \( R \... 2022-12-01 If \( A \) and \( B \) are two sets, then \( A \cap(A \cup B) \) equals
(A) \( \quad \mathrm{A} ... 2022-12-01 If \( R=\{(\boldsymbol{x}, \boldsymbol{y}): \boldsymbol{x}, \boldsymbol{y} \mathrm{I} Z, \boldsy... 2022-12-01 Which of the following does not have a proper subset?
(A) \( \{\mathrm{x}: \mathrm{x} \in \mathr... 2022-12-01 Let \( A=\{p, q, r, s\} \) and \( B=\{1,2,3\} \). Which of the following relations from \( A \) ... 2022-12-01 If \( A=\{1,2,3\} \) and \( B=\{3,8\} \), then \( (A \cup B) \times(A \cap B) \) is
(A) \( \{(3,... 2022-12-01 If universal set is the set of real numbers \( R \) and \( A=\{x \mid-5x \leq 2, x \in Z\}, B=\{... 2022-12-01 A set contains \( \mathrm{n} \) elements. The power set contains
(A) \( n \) elements
(B) \( 2^{... 2022-12-01 If \( A=\{\phi,\{\phi\}\} \), then the power set of \( A \) is
(A) \( \mathrm{A} \)
(B) \( \{\ph... 2022-12-01 Let \( R \) be a relation in \( N \) defined by \( R=\left\{\left(1+x, 1+x^{2}\right): x \leq 5,... 2022-12-01 If \( X=\left\{8^{n}-7 n-1 / n \in N\right\} \) and \( Y=\{49(n-1) / n \in N\} \), then
(A) \( x... 2022-12-01 The relation \( R \) defined on the set \( A=\{1,2,3,4,5\} \) by \( R=\{(x, y) \) : \( \left|\ma... 2022-12-01 If \( A=\left\{x: \cos x-\frac{1}{2}\right. \) and \( \left.O \leq x \leq \pi\right\}, B=\left\{... 2022-12-01 Compounds having same molecular formula but different connectivity of atoms or groups are called... 2022-12-01 If \( A=\{a, b, d, e, l\}, B=\{c, d, f, m\} \quad \) and \( C=\{a, I, m, o) \), then \( C \cap(A... 2022-12-01 Let \( \rho \) be the relation on the set \( R \) of all real numbers defined by setting a \( \r... 2022-12-01 The relation \( R \) defined in \( A=\{1,2,3\} \) by \( a R b \) if \( \left|a^{2}-b^{2}\right| ... 2022-12-01 India today conducted a survey if people taking tea/ coffee. Out of 9000 people, 5550 people tak... 2022-12-01 If \( R \) and \( R^{\prime} \) are symmetric relations (not disjoint) on a set \( A \), then th...