`vec(r ) =(6hat(i) +3hat(k) ) + lambda(2hat(i) -hat(j) +4hat(k))`
`vec(r )=(-9hat(i) +hat(j) -10hat(k)) + mu (4hat(i) +hat(j) +6hat(k))`
Correct Answer - (i) 9 (ii) 8 (iii) -7
2 Answers 1 viewsCorrect Answer - 0, the given vectors are coplanar
2 Answers 1 viewsCorrect Answer - `cos^(-1) .((8sqrt(3))/(15))`
2 Answers 1 viewsCorrect Answer - `(10)/(sqrt(59))` units
2 Answers 1 viewsCorrect Answer - `sqrt(62)` units
2 Answers 1 viewsCorrect Answer - `(3sqrt(19))/(19)` units
2 Answers 1 viewsCorrect Answer - `(3sqrt(2))/(2)` units
2 Answers 2 viewsCorrect Answer - `(14sqrt(241))/(241)` units
2 Answers 1 viewsCorrect Answer - `(2,6,3)`
2 Answers 1 viewsGiven that \(\vec a, \vec b\) and \(\vec c\)are unit vectors. i.e., |\(\vec a\)| = |\(\vec b\)| = |\(\vec c\)| = 1 And \(\vec a\) + \(\vec b\) + \(\vec c\) = \(\vec 0\) Then \((\vec a+\vec b+\vec c).(\vec a+\vec b+\vec c)=\vec 0.\vec...
2 Answers 1 views