Question

if A vector = 3i+4j and b vector=6i+8j.find the vector whose direction is along B vector and magnitude is equal to A vector​

Answer 1

∣B∣= √(6)² + (8) ²

   = √36 + 64

   = √100

  = 10

Unit vector in the direction of A will be A = 3i^+4j^​​/5

So required vector =10 (3i^+4j^/5​​) = $6i^ + 8j^$

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