`p hat(i) + 3 hat(j) +4 hat(k)` and `sqrt(q) hat(i) + 4 hat(k)` are two vectors, where `p , q ge 0` are two scalars

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Q 2241801723.     `p hat(i) + 3 hat(j) +4 hat(k)` and `sqrt(q) hat(i) + 4 hat(k)` are two vectors, where

`p , q ge 0` are two scalars, then the length of the vectors is
equal to
A

all values of `(p, q)`

B

only finite number of values of `(p , q)`

C

infinite number of values of `(p, q)`

D

no value of `(p, q)`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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