Qno5 3 al 93% I 11:41 a.m.+ A3.LA.S21.pdfLinear AlgebraAssignment # 03Question 1Write a balanced equation for the given chemical reactionCu + HNO, → Cu (NO,): + H,0 + NOQuestion 2Find the cubic polynomial whose graph is passing through the points(-1,-1), (0, 1), (1,3) and (4,–1)Question 3A soap manufacturer decides to spend 600,000 rupees on radio, magazine & TV advertising. If he spendsas much as on TV advertising as on radio and magazines together, and the amount spent on magazinesand TV combined equals five times that spent on radio, what is the amount to be spent on each type ofadvertising?Question 4Use the matrix A to encode the given message. Verify your work by decoding the encoded message.A = PHONE HOMEQuestion 5Find the least squares parabola for the data(1, 1), (2, 4), (3, 7) and (4, 5)Question 6Set up and solve the system of equations for the currents in the branches of the given network.Prepared byEngr. Abrar KhalidQuestion 7Solve the following svstem by LU-decomposition

Name: Qno5 3 al 93% I 11:41 a.m.+ A3.LA.S21.pdfLinear AlgebraAssignment # 03
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Description: Qno5 3 al 93% I 11:41 a.m.+ A3.LA.S21.pdfLinear AlgebraAssignment # 03Question 1Write a balanced equation for the given chemical reactionCu + HNO, → Cu (NO,): + H,0 + NOQuestion 2Find the cubic polynomial whose graph is passing through the points(-1,