Letp^{-},q^{-} and r^{-} be such that r^{-} ≠0^{-}, p^{-} x q^{-}= r^{-} , q^{-} x r^{-} = p^{-} then (i) p^{-},q^{-} ,r^{-} are pair-wise orthogonal vectors (ii) |q^{-} | = r^{-}| = |p^{-}|

Correct Answer is : Both (i) and (ii) are correct

(i) is correct, (ii) is incorrect

(i) is incorrect, (ii) is correct

Both (i) and (ii) are incorrect

AP EAMCET Engineering 17 Sep 2020 Shift 1 Paper

Section: Mathematics

Question : 33 of 160

Marks: +1, -0

Let

−

and

−

be such that

−

≠

−

then
(i)

−

are pair-wise orthogonal vectors
(ii) |

−

| =

−

| = |

−

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