Let a, b, c be distinct non-negative numbers. If the vectors a i+… - Vidyadip

MCQ

Let $\mathrm{a}, \mathrm{b}, \mathrm{c}$ be distinct non-negative numbers. If the vectors $\mathrm{a} \hat{i}+\mathrm{a} \hat{j}+\mathrm{c} \hat{k}, \hat{i}+\hat{k}$ and $\mathbf{c} \hat{i}+\mathbf{c} \hat{j}+\mathrm{b} \hat{k}$ lie in a plane, then $\mathrm{c}$ is

A
The arithmetic mean of a and b
✓
The geometric mean of a and b
C
The harmonic man of a and b

✓

Answer

Correct option: B.

The geometric mean of a and b

The geometric mean of a and b

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