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irakobra [83]
3 years ago
12

Mathematics question

Mathematics
2 answers:
LekaFEV [45]3 years ago
6 0

Answer: a

adding the two polynomials will give you the answer a

morpeh [17]3 years ago
4 0

if you'll add the two polynomials above it appeared that the answer is letter B

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) find a vector parallel to the line of intersection of the planes 5x − y − 6z = 0 and x + y + z = 1.
snow_tiger [21]
The cross product of the normal vectors of two planes result in a vector parallel to the line of intersection of the two planes.

Corresponding normal vectors of the planes are
<5,-1,-6> and <1,1,1>

We calculate the cross product as a determinant of (i,j,k) and the normal products

    i   j   k
   5 -1 -6
   1  1  1

=(-1*1-(-6)*1)i -(5*1-(-6)1)j+(5*1-(-1*1))k
=5i-11j+6k
=<5,-11,6>

Check orthogonality with normal vectors using scalar products
(should equal zero if orthogonal)
<5,-11,6>.<5,-1,-6>=25+11-36=0
<5,-11,6>.<1,1,1>=5-11+6=0

Therefore <5,-11,6> is a vector parallel to the line of intersection of the two given planes.
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Paul [167]
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2.4424733467684015382.<br> Is it rational or irrational
Vsevolod [243]

Answer:

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Step-by-step explanation:

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