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Vectors -… | NUST Entrance Test Mathematics | ClassNotes

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NUST Entrance Test
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Vectors

Set 4

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MM

Mashaal Masha

Oct 08, 2022

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$The modulus of a vector i-j+k is:$
$If G is the centroid of the triangle, then GA+GB+GC=$
$If u=2i-7j, v=i-6j and w=-i+j, then 2u-3v+4w equals:$

Choose the correct options for the following questions.

The modulus of a vector i-j+k is:

Difficulty: Easy

A:

\sqrt{3}

B:

If u=2i-7j, v=i-6j and w=-i+j, then 2u-3v+4w equals:

C:

\sqrt{2}

D:

infinity

If G is the centroid of the triangle, then GA+GB+GC=

Difficulty: Easy

A:

0

B:

1

C:

-1

D:

3

If u=2i-7j, v=i-6j and w=-i+j, then 2u-3v+4w equals:

Difficulty: Easy

A:

8i-3j

B:

3i-5j

C:

2i-3j

D:

-3i+8j

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postVectors - Set 2
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postVectors - Set 5