![1. Find the matrices of x and yif.... (23 marks) 2x - y = and x+2y=[] { 5,). 2. Find matrix C if: G 1-6. 9 (18 marks) 3. Give](http://img.homeworklib.com/questions/c8c3e0a0-acd2-11eb-8e50-f796d62a6f68.png?x-oss-process=image/resize,w_560)
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1. Find the matrices of x and yif.... (23 marks) 2x - y = and x+2y=[]...
2. (a) Consider the following matrices: A = [ 8 −6, 7 1] , B =...
2. (a) Consider the following matrices: A = [ 8 −6, 7 1] , B = [
3 −5, 4 −7] C = [ 3 2 −1 ,−3 3 2, 5 −4 −3 ]
(i) Calculate A + B,
(ii) Calculate AB
(iii) Calculate the inverse of B,
(iv) Calculate the determinant of C.
(b) The points P, Q and R have co-ordinates (2, 2, 1), (4, 1, 2)
and (5, −1, 4) respectively.
(i) Show that P Q~ =...
Q3 (5 Marks) Find the values of x and y such that {(x + yi) =(-1...
Q3 (5 Marks) Find the values of x and y such that {(x + yi) =(-1 + 71)2 04: (6 Marks) Let Z2 = 5 + 7j a) Find the modulus and the argument of Zz. b) Express 2, in polar form r cose + r sino ; Q5. Let f(x) = 6x2 - 2x - 3, part of the graph of funtion shown below. (1+1+2 Marks) (a) Draw the graph of y = 2 on the same axis. (b)...
3. Consider the two planes, P and P2, where Pi is given by the general equation 2x y+2-5 and P2 passes through the points (0,0,-1), (3,2,4) and (2, 4,5). (a) Find L, the line of intersection of the t...
3. Consider the two planes, P and P2, where Pi is given by the general equation 2x y+2-5 and P2 passes through the points (0,0,-1), (3,2,4) and (2, 4,5). (a) Find L, the line of intersection of the two planes. (b) Suppose another line, L2, has vector equation (x, y, z) = (8,3,-2) + t2(-2, 1, 1). 6 marks] Find where Land L2 intersect 4 marks
3. Consider the two planes, P and P2, where Pi is given by the...
Find the work done by the force field F(x, y,2)= <2ay - :, x° +23, 2y-2x...
Find the work done by the force field F(x, y,2)= <2ay - :, x° +23, 2y-2x > in moving an object from point A(-3,-2,-1) to point B(1,2,3) along the following paths: a line segment followed by the arch of a cycloid, followed by the top half of a parabola, and followed by another line segment at the end. Evaluate for full credit. (9 pts)
Let F(x, y, z) = (2xsin(ay) - e3z)i + 2x+cos(2y)j + bre3zk. a) Find the values...
Let F(x, y, z) = (2xsin(ay) - e3z)i + 2x+cos(2y)j + bre3zk. a) Find the values of a, b such that the vector field is conservative. b) Evaluate ScF. dr where C is the curve from (1,0,0) and (3, 5, 1)
Hi, can you solve the question for me step by step, I will rate up if the working is correct. I will post the answer together with the question. Answer: Question 5 A particle of mass m rests on a s...
Hi, can you solve the question for me step by step, I will rate
up if the working is correct. I will post the answer together with
the question.
Answer:
Question 5 A particle of mass m rests on a smooth horizontal track. It is connected by two springs to fixed points at A and B, which are a distance 2lo apart as shown in Figure Q5. The left-hand spring has natural length 2lo and stiffness k, whilst the right-hand...
1. A particle of mass m moves in three dimensions, and has position r(t)-(x(t), y(t), z(t)) at ti...
Mechanics. Need help with c) and d)
1. A particle of mass m moves in three dimensions, and has position r(t)-(x(t), y(t), z(t)) at time t. The particle has potential energy V(x, y, 2) so that its Lagrangian is given by where i d/dt, dy/dt, dz/dt (a) Writing q(q2.93)-(r, y, z) and denoting by p (p,P2, ps) their associated canonical momenta, show that the Hamiltonian is given by (show it from first principles rather than using the energy) H(q,p)H(g1, 92,9q3,...
6) a (15 pts) Find the derivative of (x,y,z-xy, + x3yz + z3yx in the direction of v -2 -4k at the...
6) a (15 pts) Find the derivative of (x,y,z-xy, + x3yz + z3yx in the direction of v -2 -4k at the function fix.y z) at the point vo Can you find any direction(s) where the surface is neither increasing nor decreasing? e point vo (2, 1, -3). What is the rate of maximal increase to the b. (10 pts) Find a normal vector and the tangent plane to the following level surface x'y t yz+2 3 at (1, 1,...
5. [5 marks] (a) A= = (4) B = (23) Calculate AB and BA (b) Evaluate...
5. [5 marks] (a) A= = (4) B = (23) Calculate AB and BA (b) Evaluate S(4x3 – 3x2 + 2x – 1)dx (c) Convert the parametric equation to both vector and Cartesian form: [5 marks) X = 2 +31 y = 1 -21 z = 42 [5 marks) (c) A card is picked at random from a pack of 20 cards numbers 1, 2, 3, ..., 20. Given that the card shows an even number, find the probability that...
please solve now (a) 3 marks The directional derivative of f(x,y) at a point P in...
please solve now
(a) 3 marks The directional derivative of f(x,y) at a point P in the direction of the vector <2,3 > equals 7, and the directional derivative of f(x,y) at a point P in the direction of the vector < 1,-2 > equals 5. Find Vf at P. (b) 4 marks (c) 4 marks Find Zxy if z3 = xz+y. (d) 4 marks Find and classify all local extreme points of f(x,y) = x3 + y3 - 3x...
2. (a) Consider the following matrices: A = [ 8 −6, 7 1] , B = [
3 −5, 4 −7] C = [ 3 2 −1 ,−3 3 2, 5 −4 −3 ]
(i) Calculate A + B,
(ii) Calculate AB
(iii) Calculate the inverse of B,
(iv) Calculate the determinant of C.
(b) The points P, Q and R have co-ordinates (2, 2, 1), (4, 1, 2)
and (5, −1, 4) respectively.
(i) Show that P Q~ =...
Q3 (5 Marks) Find the values of x and y such that {(x + yi) =(-1 + 71)2 04: (6 Marks) Let Z2 = 5 + 7j a) Find the modulus and the argument of Zz. b) Express 2, in polar form r cose + r sino ; Q5. Let f(x) = 6x2 - 2x - 3, part of the graph of funtion shown below. (1+1+2 Marks) (a) Draw the graph of y = 2 on the same axis. (b)...
3. Consider the two planes, P and P2, where Pi is given by the general equation 2x y+2-5 and P2 passes through the points (0,0,-1), (3,2,4) and (2, 4,5). (a) Find L, the line of intersection of the two planes. (b) Suppose another line, L2, has vector equation (x, y, z) = (8,3,-2) + t2(-2, 1, 1). 6 marks] Find where Land L2 intersect 4 marks
3. Consider the two planes, P and P2, where Pi is given by the...
Find the work done by the force field F(x, y,2)= <2ay - :, x° +23, 2y-2x > in moving an object from point A(-3,-2,-1) to point B(1,2,3) along the following paths: a line segment followed by the arch of a cycloid, followed by the top half of a parabola, and followed by another line segment at the end. Evaluate for full credit. (9 pts)
Let F(x, y, z) = (2xsin(ay) - e3z)i + 2x+cos(2y)j + bre3zk. a) Find the values of a, b such that the vector field is conservative. b) Evaluate ScF. dr where C is the curve from (1,0,0) and (3, 5, 1)
Hi, can you solve the question for me step by step, I will rate
up if the working is correct. I will post the answer together with
the question.
Answer:
Question 5 A particle of mass m rests on a smooth horizontal track. It is connected by two springs to fixed points at A and B, which are a distance 2lo apart as shown in Figure Q5. The left-hand spring has natural length 2lo and stiffness k, whilst the right-hand...
Mechanics. Need help with c) and d)
1. A particle of mass m moves in three dimensions, and has position r(t)-(x(t), y(t), z(t)) at time t. The particle has potential energy V(x, y, 2) so that its Lagrangian is given by where i d/dt, dy/dt, dz/dt (a) Writing q(q2.93)-(r, y, z) and denoting by p (p,P2, ps) their associated canonical momenta, show that the Hamiltonian is given by (show it from first principles rather than using the energy) H(q,p)H(g1, 92,9q3,...
6) a (15 pts) Find the derivative of (x,y,z-xy, + x3yz + z3yx in the direction of v -2 -4k at the function fix.y z) at the point vo Can you find any direction(s) where the surface is neither increasing nor decreasing? e point vo (2, 1, -3). What is the rate of maximal increase to the b. (10 pts) Find a normal vector and the tangent plane to the following level surface x'y t yz+2 3 at (1, 1,...
5. [5 marks] (a) A= = (4) B = (23) Calculate AB and BA (b) Evaluate S(4x3 – 3x2 + 2x – 1)dx (c) Convert the parametric equation to both vector and Cartesian form: [5 marks) X = 2 +31 y = 1 -21 z = 42 [5 marks) (c) A card is picked at random from a pack of 20 cards numbers 1, 2, 3, ..., 20. Given that the card shows an even number, find the probability that...
please solve now
(a) 3 marks The directional derivative of f(x,y) at a point P in the direction of the vector <2,3 > equals 7, and the directional derivative of f(x,y) at a point P in the direction of the vector < 1,-2 > equals 5. Find Vf at P. (b) 4 marks (c) 4 marks Find Zxy if z3 = xz+y. (d) 4 marks Find and classify all local extreme points of f(x,y) = x3 + y3 - 3x...
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