Question

Show that it is not always true that AB = A^T B^T for matrices A, B.

Answer 1

To disprove something, you merely need to provide a counterexample.
Pick any two arbitrary matrices, of any size.
I picked
[1 2] and [1 3]
[0 1] and [0 1]

Transposing them you get
[1 0] and [1 0]
[2 1] [3 1]

Do the math yourself to verify it; you should get
[1 5] vs [1 0]
[0 1] [4 1]

Clearly they are not equal.

Answer 2

Help? Math

Answer 3

Scientists in a test lab are testing the hardness of a surface before constructing a building.

Answer 4

How would consumers who traditionally pay using cash potentially benefit from an

Answer 5

If Bill Weasly got elected to the Congress he would be accountable to his ____________ since they put him there.

Answer 6

Wilson has a balance of $890 on a credit card with an APR of 18.7%, compounded monthly.

Answer 7

Herbie was in n terrible car accident and sustained head injuries. He is able to speak but nothing he hears makes any since to him.

Answer 8

Question 2 Unsaved
Think about the following conditional statement.

If a whole number is divisible by 7, then the number is odd.

Answer 9

HELP FAST!

Nights and Dragonsu2014
From the memoir of author Abigail Prynne

As I started my research, I discovered many skeptics.

Answer 10

If the measure of AC = 75, what are the lengths of AB and BC?

Answer 11

Egypt is different from other Arab nations because _____.

Answer 12

Math help please

Answer 13

If mu2220ABC = 157u00b0 and mu2220DBC = 83u00b0, what is the m u2220ABD in degree

Answer 14

From AD 1150 to 1500, Britain was characterized by which language?

Answer 15

Please Help

And fast

Answer 16

How do sensations affect our perceptions?

A. Perception is not affected by sensation in any way

B.

Answer 17

If mu2220ABC = 157u00b0 and mu2220DBC = 83u00b0, what is the m u2220ABD in degree

Answer 18

How do sensations affect our perceptions?

A. Perception is not affected by sensation in any way

B.

Answer 19

https://prnt.sc/kwbp5m

Answer 20

what is your favorite song

Answer 21

In order for the Supreme Court to interpret a law it must be a ____________ first.