IIT JEE VECTOR ALGEBRA If ` vec r=x_1( vec axx vec b)+x_2( vec bxx vec a)+x_3( vec cxx vec d)a n ...

25 views · Published 25 September 2017 · 2:14 · Indexed 21 September 2026

Channel: Doubtnut · 2017 · Education

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This is the Solution of question from Cengage Publication Math Book Vectors and 3d-Geometry Chapter 6 VECTOR ALGEBRA written By G. Tewani. You can Find Solution of all math questions from CENGAGE BOOK on our app DOUBTNUT for free. Download Doubtnut from - https://doubtnut.app.link/LRglt1j1vR

If ` vec r=x_1( vec axx vec b)+x_2( vec bxx vec a)+x_3( vec cxx vec d)a n d4[ vec a vec b vec c]=1,t h e nx_1+x_2+x_3`
is equal to
`1/2 vec rdot( vec a+ vec b+ vec c)`
b. `1/4 vec rdot( vec a+ vec b+ vec c)`

c. `2 vec rdot( vec a+ vec b+ vec c)`
d. `4 vec rdot( vec a+ vec b+ vec c)`

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