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If X and Y are two sets and X’ denotes the complement of X, then X ∩(X∩Y)’ is equal to
Choice (d) is correct. X ∩ (X ∪ Y)' = X ∩ ( X' ∩ Y') = (X ∩ X') ∩ Y' = ∅ ∩ Y' = ∅. This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/mathRead more
Choice (d) is correct. X ∩ (X ∪ Y)’ = X ∩ ( X’ ∩ Y’) = (X ∩ X’) ∩ Y’ = ∅ ∩ Y’ = ∅.
This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.
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In which of the following conditions, the distance between the molecules of hydrogen gas would increase? (i) Increasing pressure on hydrogen contained in a closed container. (ii) Some hydrogen gas leaking out of the container. (iii) Increasing the volume of the container of hydrogen gas. (iv) Adding more hydrogen gas to the container without increasing the volume of the container. (a) (i) and (iii) (b) (i) and (iv) (c) (ii) and (iii) (d) (ii) and (iv)
(c) On increasing pressure and on adding more hydrogen gas to the cylinder (increasing the pressure), the molecules will come closer. Therefore, observations in (i) and (iv) are wrong. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-1/
(c) On increasing pressure and on adding more hydrogen gas to the cylinder (increasing the pressure), the molecules will come closer. Therefore, observations in (i) and (iv) are wrong.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-1/
See lessIf A and B are two sets, then A ∩ (A ∩ B) equals
Choice (c) is correct. As A ∩ B⊊ A, so A ∩ (A ∩ B) = A ∩ B. This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-1
Choice (c) is correct. As A ∩ B⊊ A, so A ∩ (A ∩ B) = A ∩ B.
This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.
For more please visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-1
Distance of the point (p, q, r) from y-axis is
Three-dimensional space is defined by x = 0 and z = 0 which forms the y-axis. The distance of a point (p, q, r) from the y-axis is computed by its x and z coordinates because the y-axis does not have any displacement in the x or z direction. Therefore, the distance is the perpendicular distance of tRead more
Three-dimensional space is defined by x = 0 and z = 0 which forms the y-axis.
The distance of a point (p, q, r) from the y-axis is computed by its x and z coordinates because the y-axis does not have any displacement in the x or z direction.
Therefore, the distance is the perpendicular distance of the point from the yaxis, that is given by
√(p² + r²)
So, the correct answer is: √(p² + r²)
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In school 500 students like coffee an 300 students like juice and 120 students like both coffee and juice. Then the students liking coffee or juice is
Choice (c) is correct. Let A and B the sets of students liking coffee and juice respectively. n(A) = 500, n(B) = 300 and n(A ∩ B) = 120 Number of students liking coffee or juice = n (A ∪ B) = n(A) +n(B) - n(A ∩ B) = 500 + 300 - 120 = 680 This question related to Chapter 1 maths Class 11th NCERT. FRead more
Choice (c) is correct.
Let A and B the sets of students liking coffee and juice respectively.
n(A) = 500, n(B) = 300 and n(A ∩ B) = 120
Number of students liking coffee or juice = n (A ∪ B) = n(A) +n(B) – n(A ∩ B) = 500 + 300 – 120 = 680
This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.
For more please visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-1