define the linear transformation t by t (x) = ax. find (a) ker(t ), (b) nullity(t ), (c) range(t ), and (d) rank(t ). a = 1 −2 −3 1 5 3 −1 1 0 4 1 1 3 1 2

Answers

Answer 1

We  have:

(a) ker(t) = {(x1, x2, x3, x4) | x1 = 3x3, x2 = -x3, x4 = t, where t is any scalar}

(b) nullity(t) = 1

(c) range(t) = span{(1, 1, -1), (-2, 5, 1), (-3, 3, 4)}

(d) rank(t) = 3

To find the kernel of the linear transformation, we need to find all vectors x such that t(x) = ax = 0. This means we need to solve the system of linear equations:

x1 - 2x2 - 3x3 = 0

x1 + 5x2 + 3x3 = 0

-x1 + x2 + 4x3 + x4 = 0

3x1 + x2 + 2x3 + x4 = 0

Putting this system into reduced row echelon form, we get:

1 0 -3 0

0 1 1 0

0 0 0 1

0 0 0 0

The pivot columns are 1, 2, and 4. So, the basic variables are x1, x2, and x4, while x3 is a free variable. So, the kernel of the linear transformation is given by:

ker(t) = {(x1, x2, x3, x4) | x1 = 3x3, x2 = -x3, x4 = t, where t is any scalar}

Therefore, the dimension of the kernel or nullity of t is 1, since there is only one free variable.

To find the range of the linear transformation, we need to find all vectors y such that y = t(x) = ax for some vector x. This is the span of the columns of the matrix A, which can be found by row reducing A to get:

1 0 0 0

0 1 0 0

0 0 1 0

0 0 0 0

The pivot columns are 1, 2, and 3, so the corresponding columns of A form a basis for the range of t. Therefore, the range of t is:

range(t) = span{(1, 1, -1), (-2, 5, 1), (-3, 3, 4)}

which has dimension 3. Thus, the rank of t is 3.

Therefore, we have:

(a) ker(t) = {(x1, x2, x3, x4) | x1 = 3x3, x2 = -x3, x4 = t, where t is any scalar}

(b) nullity(t) = 1

(c) range(t) = span{(1, 1, -1), (-2, 5, 1), (-3, 3, 4)}

(d) rank(t) = 3

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Step-by-step explanation:

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Answers

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Area of grass
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The area of the garden that is grass.

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The area of the garden that is grass is 30 square meters.

Here are the steps in detail:

Calculate the area of the square garden: 6 m * 6 m = 36 square meters

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The priority to the division and multiplication,
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Answer: i don’t know but good luck, you got this!Have a nice day!

Step-by-step explanation:

ANSWER M= (0, 5)
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Step-by-step explanation:

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Explaining: i used a calculator
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