3 years ago

177,178,179,180,190,200,210,211,212,213 why this pattern?

Mathematics

2 answers:

xz_007 [3.2K]3 years ago

8 0

Because it is least to greatest

marysya [2.9K]3 years ago

8 0

Because it is least to greatest

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Hello,

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Find the vector projection of B onto A if A = 5i + 11j – 2k,B = 4i + 7k

valkas [14]

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$\frac{3}{13} i+\frac{11}{130} j-\frac{6}{65} k\\$

Step-by-step explanation:

Given A = 5i + 11j – 2k and B = 4i + 7k, the vector projection of B unto a is expressed as $proj_ab = \dfrac{b.a}{||a||^2} * a$

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note that i.i = j.j = k.k =1

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||a||² = (√130)

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$proj_ab = \dfrac{6}{130} * (5i+11j-2k)\\\\proj_ab = \frac{30}{130} i+\frac{11}{130} j-\frac{12}{130} k\\\\proj_ab = \frac{3}{13} i+\frac{11}{130} j-\frac{6}{65} k\\\\$

<em>Hence the projection of b unto a is expressed as </em> $\frac{3}{13} i+\frac{11}{130} j-\frac{6}{65} k\\$ <em></em>

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4 years ago