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Let A = {2, 4, 6, 8} and B = {6, 8, 10, 12} then find A ∪ B . 10 12} then find A ∪ B . 4 6 8 8) and B (-6 Let A = {2 October 13, 2021 Category: Chapter 1 - Sets , Maths , NCERT Exemplar Class 11 ,

Let A = { a, e, i, o, u} & B = { a, b, c, d}. Is A a subset of B? No. (Why?). Is B a subset of A? No. (Why?) -e B C d}. Is A a subset of B? No. (Why?). Is B a subset of A? No. (Why?) I Let [...]

Consider the sets φ, A = {1, 3}, B = {1, 5, 9}, C = {1, 3, 5, 7, 9}. Insert the symbol ⊂ or ⊄ between each of the following pair of sets. 3% 5 7) 9 9}. Insert the symbol ⊂ or ⊄ between each of the following pair of sets. a=–1 B(-1 [...]

Write the set (1/2,2/3,3/4,4/5,5/6,6/7) in set – builder form . –3/4 2/3 4/5 5/6 6/7) in set - builder form . Write the set (1/2 October 13, 2021 Category: Chapter 1 - Sets , Maths , NCERT Exemplar Class 11 ,

Write the set A={1,4,9,16,25,…..} in the set- builder form. .....} in the set- builder form. 16 … 25 4 9 Write the set A={1 October 13, 2021 Category: Chapter 1 - Sets , Maths , NCERT Exemplar Class 11 ,

Write the set {x : x is a positive integer and x^2

Write the solution set of the equation x^2 + x – 2 = 0 in roster form. Write the solution set of the equation x^2 + x – 2 = 0 in roster form. October 13, 2021 Category: Chapter 1 - Sets , Maths , NCERT Exemplar Class 11 ,

A galaxy is moving away from the earth at a speed of 286 kms^–1. The shift in the wavelength of a red line at 630 nm is x × 10^–10 m. The value of x, to the nearest integer, is…… [Take the value of speed of light c, as 3 × 10^8 ms^–1] A galaxy [...]

Two wires of same length and thickness having specific resistances 6Ω cm and 3Ω cm respectively are connected in parallel. The effective resistivity is ρ Ω cm. The value of ρ, to the nearest integer, is…… is to the nearest integer Two wires of same length and thickness having specific resistances 6Ω cm and 3Ω [...]

Consider a 72 cm long wire AB as shown in the figure. The galvanometer jockey is placed at P on AB at a distance x cm from A. The galvanometer shows zero deflection. The value of x, to the nearest integer, is Consider a 72 cm long wire AB as shown in the figure. The [...]