Mathematics

Question: Options: unit vectors parallel to each other collinear vectors orthogonal vectors unit vectors parallel to each other collinear vectors

Question: Options: Only I Neither I nor II Both I and II Only II Only I Neither I nor II

Question: Options: 48 72 64 36 48 72 64 36 Correct Answer: d) Explanation: ‘ We ha√e,! ld =2, =3

Question: Options: 4 2 -4 -2 4 2 -4 -2 Correct Answer: c) Explanation:

Question: Options: None of these Only I Both I and II Only II None of these Only I Both I

Question: Options: π/2 5π/2 π/6 π/3 π/2 5π/2 π/6 π/3 Correct Answer: d) Explanation: Given that, |a| = √3, |b|

Question: Options: i . i = 1 i x j = 1 i x (j x k) = 1 i

Question: Find the equation of the sphere having the centre (-2, 2, 3) and passing through the point (3, 4,

Question: Options: 6√5 sq. units 5√5 sq. units 4 sq. units 3√5 sq. units 6√5 sq. units 5√5 sq. units

Question: Let the plane (2x)/(k) + (2y)/(3) + (z)/(3) = 2 pass through the point (2, 3, -6). What are