Let a, b and c be distinct non- negative numbers. If the vectors a \hat{i}+a \hat{j}+c \hat{k}, \hat{i}+\hat{k} and c \hat{i}+c \hat{j}+b \hat{k} lie in a plane, then c is [AIEEE 2005]

Correct Answer is : the Geometric Mean of a and b

AIEEE 2005 Math Solved Paper

Section: Mathematics

Question : 51 of 71

Marks: +1, -0

Let a,b and c be distinct non- negative numbers. If the vectors a

∧

and c

∧

lie in a plane, then c is

[AIEEE 2005]

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