Ask Question
11 November, 16:25

Let → a = ⟨ 1, - 3 ⟩ and → b = ⟨ - 3, k ⟩. Find k so that →a and → b will be orthogonal (form a 90 degree angle).

+2
Answers (1)
  1. 11 November, 16:41
    0
    If a b is orthogonal, a•b will be 0

    a•b=1x-3+-3k=0

    so k=-1
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Let → a = ⟨ 1, - 3 ⟩ and → b = ⟨ - 3, k ⟩. Find k so that →a and → b will be orthogonal (form a 90 degree angle). ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers