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Engineering FE Engineering Common Sem 1 Applied Mathematics I Dec 2018 R16 Question Paper - Mumbai University | munotes

Applied Mathematics I Question Paper, Dec 2018.pdf
HAS · 358 KB · 1 May 2025

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Questions asked in this paper

  1. Q1 Question no.1 is compulsory
  2. Q2 Answer any three from remaining
  3. Q1 a. Show that 0) = log cot ( ) 3 marks
    • b. Show that the matrix A=>| 0 J is unitary 3
    • d. Find the nth derivative of y= cos? x sin x 3
    • f. Using coding matrix A encode the message THE CROW FLIES AT MIDNIGHT 2.a.Find all values of and show that their continued (6) 4
    • b. Find the non singular matrices P & Q such that PAQ is in normal 6
    • c. Find max. and minimum values of x? + 3x — and 2xyzZu and hence show that correct to three decimal places
    • c. If y =sin [log(x? + 2x +1)] then prove that 4.a. State and prove Eulers Theorem for three variables. (6) 8
    • b. By using De Moivres Theorem obtain tan 5@ in terms of tan and show that 1 — 10 tan? (=) + 5tan* (=) = 0 6
    • c. Investigate for what values of A and the equations 8
    • (i) No solution
    • (iii) An infinite number of solution nth derivative of (6)
    • b. If z= f(x,y) =e" y= then 6
    • c. Solve by using Gauss Jacobi Iteration method If y = log [tan + Prove that (6) 8
    • (i) tanh tan 5
    • c.(i) Expand 2x3 + x —6in powers of (x—2) by using Taylors theorem 4
    • (ii) Expand sec x by Maclaurins theorem considering upto x* term 4

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