Question 4 Not yet answered Marked out of 2 P Flag question Which one of the...
Question 3 døy Not yet answered Marked out of 2.0000 P Flag question Consider the following Ordinary Differential Equation (ODE) for function y(x) on interval [0, 1] dy dy + (-8.6) + 14.03 dx3 dx2 dx +(-2.47) + y(x) = 3.762 with the following initial conditions at point x = 0: dy y = 4.862, = 15.4696 = 77.4217 dx dx? Introducting notations dy dydy dx dx dx2 convert the ODE to the system of three first-order ODEs for functions...
Question 5 Not yet answered Marked out of 4.00 P Flag question Suppose zi = 1 + 4i and z2 = 3 + 2i. Then 1 is equal to Select one: o a. 11 – 10i o b. 13 + 13 0 c. none of these 0 .-1+14, 0 Question 6 Not yet answered Marked out of 4.00 P Flag question Suppose y2 + 4x’y + 7x² = 11. Implicit differentiation gives = dy Select one: O a. none of...
Question 1 Not yet answered Marked out of 35.00 P Flag question Solve the differential equation 2xy' + y = 6x, x > 0.
Question 2 Not yet answered Marked out of 4.00 P Flag question Equation for the plane through P(0,1, -3) perpendicular to the line x = -t, y = 3, z = 6+t is -- Select one: A. –2 +z= -3 B. – X – y +z = -3 C. None of these answers D. -3 – 2= -3 E. -3 +z = 3
Question 5 Not yet answered Marked out of 6.00 p Flag question If a and b are constants, the solution of (ayže xy +b)dx + 2ye xy + axy e x – 1 )dy=0 is Select one: O a.yle + bx-y=C O b. ye wy+x-y=C O ce@xy + bx=0 O d. ye xy + bx-y=C O e.y? (exy – 1)=C of.ye «xy +bx+y=C og-yle wy+bx-y=C oh.yle xy + bx=y
Question 1 Not yet answered Marked out of 1.00 Flag question Solve the following pair of simultaneous equations. -3.- 5y = -13, 5x + 4y = 26. Give your answers exactly, as integers or single fractions. The solution is: x = y= Question 2 Not yet answered Marked out of 1.00 Flag question Suppose that the number of atoms of a particular isotope at time t (in hours) is given by the exponential decay function f(t) = -0.578. By what...
Question 1 Not yet answered Marked out of 4.00 P Flag question Equation for the plane through P(-2,3,-1) perpendicular to the line x = 3-t, y = 2 - 4t, z = 6t is Select one: A. x + 4y - 62 = 16 B. None of these answers C. -X – 4y + 62 = 16 D. - + 4y - 62 = 16 E. 2 + 4y - 62 = -16
Question 4 Not yet answered Marked out of 1.5000 Flag question Consider the following Ordinary Differential Equation (ODE): dy dx = 4.0 * ** + 2.56* *10 - 4 * y? with initial condition at point Xo = 0.75: 3b = 0.1898 Apply Runge-Kutta method of the second order with h = 0.1 and the set of parameters given below to approximate the solution of the ODE at the three points given in the table below. Fill in the blank...
Question 2 Not yet answered Marked out of 4.00 P Flag question If w = 1004 – 4, x = 2rt”, y = 3r3 +t?, then by chain rule when r = -1,t = 1, ди at Select one: A. (2y)(4rt) + (6y + 2x)(2t) B. 200 C.-200 D. None of these answers E. (2x)(rt) + (6y)(9r)
Not yet answered Marked out of 1.00 Flag question Question text What is the value of the following Python expression? not(True and False) Select one: True False Question 2 Not yet answered Marked out of 1.00 Flag question Question text Consider the following Python program. fin = open('words.txt') for line in fin: word = line.strip() print(word) What does the program loop over? Select one: a. Lines in a file b. Lines in a list c. Words in a dictionary d....