Rajiv Gandhi Proudyogiki Vishwavidyalaya(Technical University) Biotechnology Be 3rd sem exam model question papers

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Posted Date: 24 Feb 2010      Posted By:: aashish maheshwari    Member Level: Silver  Points: 5 (₹ 1)

2009 Rajiv Gandhi Proudyogiki Vishwavidyalaya(Technical University) Biotechnology B.E. Biomedical Engineering Be 3rd sem exam Question paper

Course: B.E. Biomedical Engineering   University/board: Rajiv Gandhi Proudyogiki Vishwavidyalaya(Technical University)

Time : 3 Hours Maximum Marks : 60
NOTE:- This paper consist of Three Sections. Section A is compulsory. Do any Four questions
from Section B and any two questions from Section C
Section-A Marks : 20
1(a) Find the locus represented by | z - 2 i | = 2.
(b) If f(z) = x2 + i y2, find the points in the z plane where f'(z) is defined. Also find its value at these
(c) Distinguish between the zeros and poles of a function w = f(z). Can an analytic function have zeros
and poles ?
(d) Define Jn(x) and write the differential equation which has Jn(x) as its solution. What are the values
of Jo(x) and J1(x) ?
(e) State Rodrigue's formula and use it to evaluate P2(x).
(f) Eliminate arbitary functions f and g from u = f(x + i y) + g(x - iy) and classify the resulting partial
differential equation.
(g) Define Fourier sine-cosine over the interval -p to p. Is it possible to write this series for the constant
f(x) = 2 over this interval.
(h) Define Laplace transform. If f(s) is the Laplace transform of f(t) then what is the laplace transform
(i) Write the partial differeantial equation which governs the steady state distribution of temperature
inside a circular plate whose both faces are insulated and the circumference is kept at steady
temperature f(?). Also write its boundary conditions and initial conditions if any.
Section-B Marks:5 Each
2. Derive necessary form of C.R. equations for a function w = f(z) to be analytic. Also find the image
of the circle | z - 1 | = 1 in w plane under the mapping w = z2.
3. Show that with usual notions xnJn(x) is the solution of
4. Solve the following partial differential equations:
(a) (y + z) p + (z + x) q = x + y
5. Given that c is a constant, show that it is possible to write: in the range 0 < x < p.
6. (a) Find the Laplace transform of
f(t) = t/T, 0 < t <=T = 1 , t > T
(b) Find the inverse Laplace transform of (s + 2)/(s-2)3
Section-C Marks : 10 Each
7. (a) Evaluate where c is | z - 2 | = 2.
(b) Use method of contour integration to evaluate:
8. (a) Prove that with usual notations:
(b) Use method of Laplace transform to solve the differential equation :
(D2 + 5D + 6)x = t et given that x=2, dx/dt = 1, at t = 0.
9. Use method of seperation of variables to solve the wave equation and use this solution to obtain the
diflection u(x,t) of a vibrating string of length l whose end points are fixed and the string is given zero
initial velocity and initial deflection: f(x) = 2kx/l; 0 < x < l/2 = (2k/l)(l-x); l/2 < x < l.

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