CBSE Class 12 science: Introduction to Vector Algebra Videos | Introduction to vector algebra

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• Plz asnwer 15 (ii)part
  
• Write the position vector of point which divides the join of points with position vectors 3a-2b and 2a+3b in ratio 2:1. (a and b are vectors)
• Define unit vector.
• Define co-initial and coterminous vectors.
• Represent graphically a displacement of 500 m 60^o south of east.
• What is the parallelogram law of addition of vectors?
• Find unit vector in the direction of vector .
• Prove that the sum of two vectors is commutative.
• Find the value of x & y so that the vectors are equal.

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