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Liono4ka [1.6K]
3 years ago
11

Someone please help ASAP will give brainliest

Mathematics
2 answers:
Sati [7]3 years ago
5 0

-2 sqrt (20) -sqrt (125)

-2 sqrt (4 * 5) - sqrt (5 * 25)

-2sqrt (4) * sqrt (5) - sqrt (5) sqt (25)

-2 * 2 * sqrt (5) - 5sqrt (5)

-4sqrt (5) -5sqrt (5)

-9sqrt (5)

Nookie1986 [14]3 years ago
3 0

-9\sqrt{5}


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<h3>Answer:  orthogonal </h3>

===========================================================

Explanation:

For any two vectors defined as follows

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If the dot product of the vectors is 0, then the vectors are orthogonal. Meaning they are perpendicular to one another.

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Let's find the dot product of these two given vectors

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Therefore, these two vectors form a right angle and are <u>orthogonal</u>

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Extra info:

If we can show that u = <a, b> and v = <ka, kb> for some real number k, then we have shown that vectors u and v are parallel.

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