(a) Write down the 3 by 3 matrices that produce these elimination steps: E21 subtracts 4 times row 1 from row 2 E31 adds 7 times row 1 to row 3 E32 subtracts 3 times row 2 from row 3 • P exchanges rows 1 and 2, then rows 2 and 3 (b) Write down a possible matrix A such that when we apply the above elementary matrices, we get an upper triangular matrix U i.e. PE3 E31 E21 A = U (c) Do we get the same if we change the position of P, i.e. Eg32 E31 En PA?

Q: Find A - 2B A =

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Q: Find n and sn  If a = 5 , d = 3 , an= 50

A: Given data: The first term of an A.P is a=5. The common difference is d=3. The number of term in A.P…

Q: Find n and sn  If a = 5 , d = 3 , an= 50

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Q: Hasnt given me an answer for K or W?

A: the given differential equation is  2y''- 28y'+170y=0   ⇒{ 2D2-28D+170}y=0  so put D=m and y=1  for…

Q: C A If CA = 5x + 5 and EA = 10x - 20, find CE. %3D O 60 O30 O 10 10

A: To find the CE

Q: Which of the following sets of numbers could not represent the three sides of a right triangle?…

A: Pythagoras TheoremIf sides represent the right triangle then it follows the pythagoras theorem.

Q: Find S, if aj = 20, d = -10, and n = 25.

A: first term a1 = 10 common difference d = -10 total number of terms n = 25

Q: 24, , -6 la"b d) Va

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Q: If possible, find AB, BA A² AB A² = A-3 3-10 C BA= [

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Q: A*B=C and B*A=D -11 A = 12 -13 11 B = 15 -16

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Q: C. On the grid above, graph and label each point. 1. Fat (2, 3) 2. G at (3, 2) 3. H at (-4, -3) 4.…

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Q: find Q? 1.595Q2-1.04Q-370=0

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Q: 10 12 14 10 12 14 (b) Calculate dB at t = 2. dt 64 dollars per month (c) Explain what the number you…

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Q: Given A = 4 -5 8 -9 -1 2 -31 -6, find AT 1

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Q: Solve for a and b. 52 R. 48 52 80 80 48 T. b.

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Q: If A= then A-- 3 -3 Ob -8 3 3

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Q: If a is an even number, then a³ is an even number.

A: Here, We have given that (a) is an even number then we have to prove that (a3)  is also an even…

Q: . If an+1 = 2an + 3 and ao = 1, then a7 509 513 496 487

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Q: In an AP  if d = -4 , n   = 7 , an=4 , then a is equal to

A: The general form for the nth term of an AP is, an=a+n-1d Here, a is the first term, n is the number…

Q: Find the g.c.f. and l.c.m. of the set of numbers. {2, 4, 10, 36} g.c.f.       l.c.m.

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Q: Given A = 000 3 5 - -3 -2 0 -3 -3 3 -8 " find AT

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Q: 2. For a positive real number b, the value V-b =

A: The given expression is -b

Q: Irā = (-4, –8) and b = (-2, –6). ind |2.5å – 36 O -6 O 4/2 O 20 O 2/5

A: Explanation of the answer is as follows

Q: so wat is the answer for letter "C". As you can tell thats the one I got wrong and need help with.

A: Given data :  When shooting two free throws, if a Red Devil basketball player makes her first free…

Q: 44. yy" + (y')² = 0

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Q: A.B? B.A?

A: Given that,A=-9-411 and B=-6-829.   Obtain A·B as follows. A·B=-9-411-6-829      =-9-6-4-8+12+49…

Q: If a=4 and b=-6, then la²+b/al=? A. -8 OB. -2 O C. 20 OD. 14.5 OE. -14.5

A: Topic - Algebraic operations we are given a=4 and b=-6 we need to find a2+b/a

Q: Which of the following is correct? a. 6| 20 c. 8 4 b. 3 |26 d. 4 8 O d O c O b O a

A: The expression  implies that a divides b . It implies that if b is divided by a , then the remainder…

Q: Given L then 2 fs-1) 2 5-2) 2 fie-2 (-2)' 2.

A: Given that L{1/✓t}=√(π/s) Now to find the Laplace transform of L{te3t√(3/πt)}= L{e3t (√3t/π)}…

Q: A: 0 8 4 1 9 -4 -1 -4 a what is the value of the element in row 1, column 2 of A²?

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Q: Find BA. A = BA= -1 - 1 -6-2 B = -2 - 3 -4 -1

A: Given:     A = -1-1   -6-2    B = -2-3  -4-1

Q: and the number dignes. of and three excen real six digit number D having three odd

A: Let assume the number begins with the odd digit.The first digit can be selected is 5c1 ways.  Now…

Q: Evaluate. |-27 = (2-11)

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Q: If A = 2j and B = 3k grandfather A.B

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Q: 3. The data in Table 7–7 were collected in an experiment designed to investigate the impact of…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 5 A = 1 [3 5 B = 1 1 3 similar O not similar

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Q: If A = 100 0-2 0 004 Then A-1 =

A: