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12. Find the direction cosines of the vector i + 2j + 3k .
05
Nov
12. Find the direction cosines of the vector i + 2j + 3k . 12. Find the direction cosines of the vector i + 2j + 3k . November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,
11. Show that the vectors 2i – 3j + 4k and -4i + 6j – 8k are collinear.
05
Nov
11. Show that the vectors 2i – 3j + 4k and -4i + 6j – 8k are collinear. 11. Show that the vectors 2i - 3j + 4k and -4i + 6j - 8k are collinear. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,
10. Find a vector in the direction of vector 5i – j + 2k which has magnitude 8 units.
05
Nov
10. Find a vector in the direction of vector 5i – j + 2k which has magnitude 8 units. 10. Find a vector in the direction of vector 5i - j + 2k which has magnitude 8 units. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,
9. For given vectors, a = 2i – j + 2k and b = -i + j – k , find the unit vector in the direction of the vector a + b.
05
Nov
9. For given vectors, a = 2i – j + 2k and b = -i + j – k , find the unit vector in the direction of the vector a + b. 9. For given vectors a = 2i - j + 2k and b = -i + j - k find the unit [...]
8. Find the unit vector in the direction of vector PQ, where P and Q are the points (1, 2, 3) and (4, 5, 6), respectively.
05
Nov
8. Find the unit vector in the direction of vector PQ, where P and Q are the points (1, 2, 3) and (4, 5, 6), respectively. 2 3) and (4 5 6 8. Find the unit vector in the direction of vector PQ respectively where P and Q are the points (1 November 5, 2021 [...]
7. Find the unit vector in the direction of the vector a = i + j + 2k .
05
Nov
7. Find the unit vector in the direction of the vector a = i + j + 2k . 7. Find the unit vector in the direction of the vector a = i + j + 2k . November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,
6. Find the sum of the vectors a = i – 2j + k, b = -2i + 4j + 5k, and c = i – 6j – 7k. .
05
Nov
6. Find the sum of the vectors a = i – 2j + k, b = -2i + 4j + 5k, and c = i – 6j – 7k. . 6. Find the sum of the vectors a = i - 2j + k and c = i - 6j – 7k. . b = [...]
5. Find the scalar and vector components of the vector with initial point (2, 1) and terminal point (– 5, 7).
05
Nov
5. Find the scalar and vector components of the vector with initial point (2, 1) and terminal point (– 5, 7). 1) and terminal point (– 5 5. Find the scalar and vector components of the vector with initial point (2 7) November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT [...]
4. Find the values of x and y so that the vectors 2i + 3j and xi + yj are equal.
05
Nov
4. Find the values of x and y so that the vectors 2i + 3j and xi + yj are equal. 4. Find the values of x and y so that the vectors 2i + 3j and xi + yj are equal. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT [...]
3. Write two different vectors having same direction.
05
Nov
3. Write two different vectors having same direction. 3. Write two different vectors having same direction. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,