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pbar i +3 bar j+ 4bar k and sqrtq bar i...

`pbar i +3 bar j+ 4bar k` and `sqrtq bar i + 5bar k`. are two vectorswhere `p,q ge 0` are two scalars. Then the lengths of the vector are equal for (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 values of `(p,q)`

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