Let →a=<2,−3,−5>a→=<2,-3,-5> and →b=<1,−3,k>b→=<1,-3,k>. Find kk so that →aa→ and →bb→ will be orthogonal (form a 90 degree angle). k=
Let →a=<2,−3,−5>a→=<2,-3,-5> and →b=<1,−3,k>b→=<1,-3,k>. Find kk so that →aa→ and →bb→ will be orthogonal (form a 90 degree angle). k=
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Let →a=<2,−3,−5>a→=<2,-3,-5> and →b=<1,−3,k>b→=<1,-3,k>.
Find kk so that →aa→ and →bb→ will be orthogonal (form a 90 degree angle).
k=
Expert Solution
Step 1
We Know that,
Two vectors u and v are said to be orthogonal vectors if and only if u . v=0
Here, a = < 2, -3, -5 > and b = < 1, -3, k >
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