Let a = 2i + j - 2k and b = i+j. If c is a vector such that a.c = |cl, |c – al = 2v2 and the angle between (a x b) and c is 30°, then |(a x b) × c| = %3D %3D
Let a = 2i + j - 2k and b = i+j. If c is a vector such that a.c = |cl, |c – al = 2v2 and the angle between (a x b) and c is 30°, then |(a x b) × c| = %3D %3D
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Let a = 2i + j - 2k and b = i+ j.
If c is a vector such that a.c = |cl, |c – al
%3D
%3D
%3D
= 2v2 and the angle between (a × b) and
c is 30°, then |(a × b) × c| =
%3D
%3D
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