lf `vec a,vec b,vec c , vec a', vec b',vec c'`, are two sets of non-coplanar vectors such
67 views · Published 13 October 2018 · 12:04 · Indexed 21 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW lf `vec a,vec b,vec c , vec a', vec b',vec c'`, are two sets of non-coplanar vectors such that `veca .vec a' = vec b.vec b' =vec c.vec c' = 1` , then the two systems are called Reciprocal System of vectors and `bar a'=(vec bxx vec c)/([vec a vec b vec c]),vec b'=(vec c xxvec a)/([vec avec b vec c]) and vec c'=(vec a xxvec b)/([vec avec b vec c])` Find the value of `vec a xx vec a'+vec b xx vec b'+vec cxx vec c'`.
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