Let P = i + j + k and Q = -(i + j + k). The angle between (P - Q) and P is (a) 90° (b) 60° (c) 0° (d) 30°

Answer: (c). Q = -P, so P - Q = 2P. 2P is parallel to P, so the angle is 0°. So the answer is (c) 0°.

Let P = i + j + k and Q = -(i + j + k). The angle between (P - Q) and… | MHT CET 2026 (16 Apr, Shift 1)

Q3MHT CET 2026 · 16 APR · SHIFT 1Easy

Addition & Subtraction of Vectors

Let $\vec{P} = \hat{i} + \hat{j} + \hat{k}$ and $\vec{Q} = -(\hat{i} + \hat{j} + \hat{k})$ . The angle between $(\vec{P} - \vec{Q})$ and $\vec{P}$ is

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Answer: (c)

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