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5. Show that each of the given three vectors is a unit vector: 1/7(2i + 3j + 6k), 1/7(3i – 6j + 2k), 1/7(6i + 2j – 3k) Also, show that they are mutually perpendicular to each other.
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Nov
5. Show that each of the given three vectors is a unit vector: 1/7(2i + 3j + 6k), 1/7(3i – 6j + 2k), 1/7(6i + 2j – 3k) Also, show that they are mutually perpendicular to each other. 1/7(3i - 6j + 2k) 1/7(6i + 2j - 3k) Also 5. Show that each of the [...]
4. Find the projection of the vector i + 3j + 7k on the vector 7i – j + 8k .
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Nov
4. Find the projection of the vector i + 3j + 7k on the vector 7i – j + 8k . 4. Find the projection of the vector i + 3j + 7k on the vector 7i - j + 8k . November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT [...]
3. Find the projection of the vector i – j on the vector i + j .
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Nov
3. Find the projection of the vector i – j on the vector i + j . 3. Find the projection of the vector i - j on the vector i + j . November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,
2. Find the angle between the vectors i – 2j +3k and 3i -2j + k.
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Nov
2. Find the angle between the vectors i – 2j +3k and 3i -2j + k. 2. Find the angle between the vectors i - 2j +3k and 3i -2j + k. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,
1. Find the angle between two vectors a and b with magnitudes sqrt 3 and 2, respectively having a . b = sqrt 6.
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Nov
1. Find the angle between two vectors a and b with magnitudes sqrt 3 and 2, respectively having a . b = sqrt 6. 1. Find the angle between two vectors a and b with magnitudes sqrt 3 and 2 respectively having a . b = sqrt 6. November 5, 2021 Category: Chapter 10 - [...]
19. If a and b are two collinear vectors, then which of the following are incorrect:
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Nov
19. If a and b are two collinear vectors, then which of the following are incorrect: 19. If a and b are two collinear vectors then which of the following are incorrect: November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,
18. In triangle ABC (Fig 10.18), which of the following is not true: (A) AB + BC + CA = 0
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Nov
18. In triangle ABC (Fig 10.18), which of the following is not true: (A) AB + BC + CA = 0 18. In triangle ABC (Fig 10.18) which of the following is not true: (A) AB + BC + CA = 0 November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT [...]
17. Show that the points A, B and C with position vectors, a = 3i – 4j – 4k, b = 2i – j + k and c = i – 3j – 5k, respectively form the vertices of a right angled triangle.
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Nov
17. Show that the points A, B and C with position vectors, a = 3i – 4j – 4k, b = 2i – j + k and c = i – 3j – 5k, respectively form the vertices of a right angled triangle. 17. Show that the points A a = 3i - 4j - [...]
16. Find the position vector of the mid point of the vector joining the points P(2, 3, 4) and Q(4, 1, –2).
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Nov
16. Find the position vector of the mid point of the vector joining the points P(2, 3, 4) and Q(4, 1, –2). 1 16. Find the position vector of the mid point of the vector joining the points P(2 2 3% 4) and Q(4 November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths [...]
14. Show that the vector i + j + k is equally inclined to the axes OX, OY and OZ.
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Nov
14. Show that the vector i + j + k is equally inclined to the axes OX, OY and OZ. 14. Show that the vector i + j + k is equally inclined to the axes OX OY and OZ. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class [...]