What is the projection of (3,4) onto (3,1)?

a) 0.7(2,4)

Answer 1

The answer is (c)

The projection of vector A onto vector B is the dot product A·B, divided by the magnitude squared of vector B, multiplied by vector B.

A·B = 9 + 4 = 13
|B| * |B| = 10

Answer 2

Hello Alex

I just come to see if you will give a best answer ( or a thank you ) for these answers, this time !
You never do it…
By the way do you know it costs nothing ?

Not cool…

Bye !

Source(s): Coach in politeness and courtesy

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