Which of the following is a null set? (A) \( \{0\} \) (B) \( \{x: x0 \) or \( x0\} \) (C) \( \le...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=r_dgubWblaw


Duration: 4:14
8 views
0

Which of the following is a null set?
(A) \( \{0\} \)
(B) \( \{x: x0 \) or \( x0\} \)
(C) \( \left\{x: x^{2}=4\right. \) or \( \left.x=3\right\} \)
(D) \( \left\{x: x^{2}+1=0, x \in R\right\} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-16The value of \( e^{\log _{10} \tan 1^{\circ}+\log _{10} \tan 2^{\circ}+\log _{10} \tan 3^{\circ}...
2022-11-16Draw a neat line diagram of Non-cyclic photophosphorylation
2022-11-16Astronomical distances are so large compared to terrestrial ones that much larger units of lengt...
2022-11-16Calculate the oxidation numberr of \( \mathrm{Mn} \) in the product formed on strongly heating \...
2022-11-16Magnetic intensity for an axial point due to a short bar magnetic of magnetic moment \( M \) is ...
2022-11-16Chamber containing vitreous humor is present (A) in front of lens (B) behind the lens (C) betwee...
2022-11-16A dip needle in a plane perpendicular to magnetic meridian will remain (A) vertical (B) horizont...
2022-11-16उदाहरण सहित समझाइए। एल्कोसॉल,
2022-11-16Write short notes on: Pygochord,
2022-11-16भारत देश में पशुओ की संख्या संसार के पशुओं के संख्या की लगभग है।
2022-11-16Which of the following is a null set? (A) \( \{0\} \) (B) \( \{x: x0 \) or \( x0\} \) (C) \( \le...
2022-11-16Why are infra-red waves often called heat waves? Explain.
2022-11-16\( 16 \mathrm{eV} \) ऊर्जा का फोटॉन हाइड्रोजन परमाणु को मूल-ऊर्जा स्तर में आयनित करता है। परमाणु...
2022-11-16M osses do not have 'true leaves' because their leaf-like structures lack (A) starch in their ch...
2022-11-16A spaceship is moving away from Earth at speed \( 0.333 c \). A source on the rear of the ship e...
2022-11-16Period of \( f(x)=\cos (|\sin x|-|\cos x|) \) is (A) \( \pi \) (B) \( 2 \pi \) (C) \( \frac{\pi}...
2022-11-16Answer each of the following questions in one word or one sentence or as per exact requirement o...
2022-11-16Which is a dinucleotide? (A) RNA (B) ADP (C) DNA (D) NAD
2022-11-16Two particles \( A \) and \( B \) are thrown simultaneously from two different floors of tower h...
2022-11-16\( \mathrm{C}_{5} \mathrm{H}_{12} \mathrm{O} \) आण्विक सूत्र वाले ऐल्कोहॉलों के सभी समावयवों की ...
2022-11-16I dentify the kind of phyllotaxy shown in the given figures \( A, B \), and \( C \). (A) A-Alter...