Finding the Null space, Nullity, and Rank of a Matrix In Exercises 37-42, find (a) the null space, (b) the nullity, and (c) the rank of the matrix A . Then verify that r a n k ( A ) + n u l l i t y ( A ) = n , where n is the number of columns of A . A = [ 2 − 3 − 6 − 4 1 5 − 3 11 2 7 − 6 16 ]
Finding the Null space, Nullity, and Rank of a Matrix In Exercises 37-42, find (a) the null space, (b) the nullity, and (c) the rank of the matrix A . Then verify that r a n k ( A ) + n u l l i t y ( A ) = n , where n is the number of columns of A . A = [ 2 − 3 − 6 − 4 1 5 − 3 11 2 7 − 6 16 ]
Solution Summary: The author explains the theorem to find the solutions of a homogeneous system of linear equations Ax=0.
Finding the Null space, Nullity, and Rank of a Matrix In Exercises 37-42, find (a) the null space, (b) the nullity, and (c) the rank of the matrix
A
. Then verify that
r
a
n
k
(
A
)
+
n
u
l
l
i
t
y
(
A
)
=
n
, where
n
is the number of columns of
A
.
Use the quadratic formula to find the zeros of the quadratic equation.
Y=3x^2+48x+180
M = log
The formula
determines the magnitude of an earthquake,
where / is the intensity of the earthquake and S is the intensity of
a "standard earthquake." How many times stronger is an
earthquake with a magnitude of 8 than an earthquake with a
magnitude of 6? Show your work.
Now consider equations of the form ×-a=v
= √bx + c, where a, b, and c
are all positive integers and b>1.
(f) Create an equation of this form that has 7 as a solution and
an extraneous solution. Give the extraneous solution.
(g)
What must be true about the value of bx + c to ensure that
there is a real number solution to the equation? Explain.
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