NEET UG Vectors & 3D Geometry — practice questions
5 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NEET UG Vectors & 3D Geometry in the app →If $\vec{a}, \vec{b}, \vec{c}$ are non-coplanar vectors and $\lambda$ is a real number, then the vectors $\vec$\vec{a} \cdot [(\vec{b} + \vec{c}) \times (\vec{a} + \vec{b} + \vec{c})]$ equalsIf $\vec{a}, \vec{b}$ and $\vec{c}$ are three unit vectors inclined to each other at an angle $\theta$, then tEquation of the line passing through $(1, 1, 1)$ and parallel to the plane $2x + 3y + z + 5 = 0$ isThe sine of the angle between the straight line $\frac{x - 2}{3} = \frac{y - 3}{4} = \frac{z - 4}{5}$ and the