Let A and B be nx n matrices. Show that if the ith row of A has all zero entries, then the ith row of AB will have all zero entries. Let A = [a;] and B = [b¡j] be two diagonal nxn matrices. Then the ijth entry of the product AB is n Σ Cij = k = 1 If the ith row of A has all zero entries, evaluate the entries aik for all k = 1, 2, ..., n. aik = Evaluate the entries C¡¡ for all j = 1, 2, ..., n. Cij = Thus, if the ith row of A has all zero entries, then the ith row of AB has all zero entries. Give an example using 2 x 2 matrices to show that the converse is not true. 1 2 B = 3 4 14 18 B =

Q: Tabithia filled the bath tub with water. About how much water did she use A. 8 liters B. 80 liters…

A: We want to find correct answer.

Q: 9. 87 12 5 -

A:

Q: 49 19 P N

A:

Q: 1.5 6

A: We will write x as a linear combination of a and b as follows :

Q: 18 decreased by s divided by 4. In mathematical expression

A:

Q: Find the value of each expres 1. 8-1 2.6-2 3.2560 4. 102 5.54 6. 2 5 7.45 8.899 911

A: 1) 8-1  =18=0.1252) 6-2 =162 =136 =0.027777777773) (256)0   =14) 102  =10×10  =1005) 54 =5×5×5×5…

Q: 52 +9

A: Given,  is the inverse Laplace equation. We have to find the solution as follows:

Q: 24 in. 12 in. P 30 in. P= ?

A:

Q: answer letter d, e, f

A: We will use Excel to find the area under the t distribution curve.

Q: Answer unclear

A:

Q: different state taxes for my business and my main income. My business (worth $4000) is in Delaware…

A: Given query is to find the total tax

Q: pls answer all the given items thanks you

A: Note: "As you asked all the answers but first 3 subparts already solved so remaining subparts I…

Q: 9.2 q 10

A: We use  Sin(a+b) = sin(a)cos(b) + cos(a) sin(b)  Pythagoras theorem (Hypotenuse)2 =…

Q: tim 7o -ネ+7y+4 700

A: Here we use L’Hospital’s Rule to calculate the limit. If we have indeterminant form that is 00 or…

Q: 5.5m 3.1 m 6.3m

A:

Q: Which lunch box holds more? A 10 in. B 9.5 in. 3.75 in. - 3.75 in. 7.5 in. 8 in.

A: I am going to solve the given problem by using some simple geometry results to get the required…

Q: compute the contex o

A: