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Let a,b and c be distinct non-negative n...

Let a,b and c be distinct non-negative numbers. If the vectors `a hati + a hatj + c hatk, hati + hatk and c hati + c hatj + b hatk ` lie in a plane, then c is :

A

the Arithmetic Mean of a and b

B

the Geometric Mean of a and b

C

the Harmonic Mean of a and b

D

equal to zero.

Text Solution

Verified by Experts

The correct Answer is:
B
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