B.TechSemester 22023-24Engineering Mathematics IiBAS203

Engineering Mathematics Ii (BAS203) - AKTU Question Paper 2023-24

B.Tech · Semester 2 · Free PDF Download

This is the official AKTU Engineering Mathematics Ii Previous Year Question Paper for B.Tech Semester 2, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 2
Session:2023-24
University:AKTU / UPTU

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Questions Asked in 2023-24

Engineering Mathematics Ii (BAS203) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 2 x 7 = 14
  • a
    Find Particular integral of 𝑑𝑥2 + 4y = sin 2𝑥. 2 1
  • b
    Find the complementary function of (D2+a2)y = 0 2 1
  • c
    Find the Laplace transform of f(t) = t4 e2t. 2 2
  • d
    Find the constant term if the function f(x) = x+x 2 is expanded in Fourier series defined in (-1, 1)
  • f
    ∫ (𝑧+1)5𝑐 dz where c is the circle |𝑧| = 2 2 5
  • g
    Define Laurent’s series. 2 5
Section BAttempt any three of the following: 7 x 3 = 21
  • a
    Using variation of parameter method, solve x2
  • b
    Use convolution theorem to find the inverse Laplace transform of
  • c
    Test the convergence of the series 1+
  • d
    Show that the function u = ½ log (x 2 + y 2) is harmonic .Find its harmonic conjugate
  • e
    Evaluate the following integral using Cauchy Integral formula 𝑧(𝑧−1)(𝑧−2)𝑐 dz, where C is circle |𝑧| =
Section CAttempt any one part of the following: 7 x 1 = 7
  • a
    Solve the following differential equation ( D2 -4D +4)y = 8x2 e2x sin 2𝑥
  • b
    Solve simultaneous differential equation : D2x-4Dx+4x = y, D2y+4Dy +4y= 25x+16et, where D =
  • a
    Find the Laplace transform of f(t) =
  • b
    Using Laplace transformation solve the following differential equation
  • a
    Find the half range Fourier sine series f(x) defined over the range 0<x<4
  • b
    Test for the convergence of the series
  • a
    Show that ex (x cosy – y siny) is a harmonic function. Find the analytic function for which ex (x cosy – y siny) is imaginary part
  • b
    Define analytic function and show that f(z) = z |𝒛| is not analytic anywhere
  • a
    Expand f(z) = (𝑧−1)(2−𝑧) is Laurent series valid for 𝑎)|𝑧 − 1| > 1 and b) 0 < |𝑧 − 2| < 1
  • b
    Evaluate ∫ (𝒛−𝟏)(𝒛−𝟒) dz where C is the circle |z| = 2 by using Cauchy’s integral formula

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — BAS203

Questions that appeared in more than one session, found by comparing 3 years of Engineering Mathematics Ii papers (2022-23, 2023-24, 2024-25)

3x

Find the Laplace transform of f(t) = t4 e2t. 2 2

Appeared in: 2022-23 · 2023-24 · 2024-25

3x

Find the Laplace transform of f(t) =

Appeared in: 2022-23 · 2023-24 · 2024-25

3x

Using Laplace transformation solve the following differential equation

Appeared in: 2022-23 · 2023-24 · 2024-25

2x

Use convolution theorem to find the inverse Laplace transform of

Appeared in: 2022-23 · 2023-24

2x

Test the convergence of the series 1+

Appeared in: 2023-24 · 2024-25

2x

Evaluate the following integral using Cauchy Integral formula 𝑧(𝑧−1)(𝑧−2)𝑐 dz, where C is circle |𝑧| =

Appeared in: 2023-24 · 2024-25

2x

Solve the following differential equation ( D2 -4D +4)y = 8x2 e2x sin 2𝑥

Appeared in: 2023-24 · 2024-25

2x

Test for the convergence of the series

Appeared in: 2023-24 · 2024-25

Engineering Mathematics Ii — Other Year Papers

AKTU Engineering Mathematics Ii PYQs from other sessions