Jump to Year/Set
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option/answer the following (Any seven question
only):
For the differential equation, $ (x-1) \frac{d^2y}{dx^2} + \cot(\pi x) \frac{dy}{dx} + ( cosec^2 \pi x)y = 0 $ which of the following statement is true?
Let $ P_n(x) $ be the Legendre polynomial of degree $ n \ge 0 $. Then $ \int_{-1}^{1} P_n(x) dx = 2 $ if n is
$ \int_{0}^{\pi/2} \sqrt{\pi x} J_{1/2}(2x) dx = k $ then k is
The solution of $ p+q=z $ is
The complementary function of $ \frac{\partial^2 z}{\partial x^2} - 4 \frac{\partial^2 z}{\partial x \partial y} + 4 \frac{\partial^2 z}{\partial y^2} = x+y $ is
The transformation $ w = \sin z $ is conformal
The value of $ \int_C \frac{3z^2 + 7z + 1}{z-4} dz $, where C is $ 9x^2 + 4y^2 = 36 $ is
Newton's iterative formula to find the value of $ \sqrt{N} $ is
While applying Simpson's 3/8 rule the number of sub intervals should be
In the geometrical meaning of Euler's algorithm, the curve is approximated as a
Q.2 Solve both questions :
Solve $ y = 2px + y^2 p^3 $.
Solve $ (px-y)(py+x) = a^2 p $.
Q.3 Solve both questions :
Find the solution of the differential equation $ x^2 y'' - 4xy' + 6y = x^4 \cos x $, $ y(\pi)=0, y'(\pi)=1 $.
State and prove the orthogonal property of Legendre polynomial.
Q.4 Solve both questions :
Find the solution of the following partial differential equation: $ (x^2-yz)p + (y^2-zx)q = z^2-xy $
Find the solution of the following partial differential equation: $ 2z + p^2 + qy + 2y^2 = 0 $
Q.5 Solve both questions :
Find the solution of the partial differential equation $ (D - 5D' - 6)z = 6e^{6x} \log(y+5x) $.
Show that the function $ f(z) = \sqrt{|xy|} $ is not analytic at the origin even though C.R. equations are satisfied thereof.
Q.6 Solve both questions :
Find the Taylor series expansion of the function $ f(z) = \sin z $. Also find the values of $ f^{(2n)}(0) $ and $ f^{(2n-1)}(0) $.
Write the statement of Cauchy Integral formula. Hence, evaluate the integral $ \int_C \frac{z-1}{(z+1)^2(z-2)} dz $ where C is the circle $ |z-i|=2 $.
Q.7 Solve both questions :
Find the value of the integral $ \int_{0}^{\infty} \frac{\cos ax - \cos bx}{x^2} dx $ where $ a, b > 0 $.
Discuss the rate of convergence of Bisection method.
Q.8 Solve both questions :
A third degree polynomial passes through the points (0,1), (1, 1), (2, 1) and (3, -2). Find the polynomial.
Evaluate $ \int_{4}^{5/2} \log x \, dx $ by Simpson's 1/3 rule and Simpson's 3/8 rule, by dividing the range into 6 parts.
Q.9 Solve this question :
Using Euler's modified method, find numerical solution of the differential equation $ \frac{dy}{dx} = x + |\sqrt{y}| $ with $ y(0)=1 $ for $ 0 \le x \le 0.6 $, in steps of 0.2.
Instructions:
- The marks are indicated in the right-hand margin.
- There are NINE questions in this paper.
- Attempt FIVE questions in all.
- Question No. 1 is compulsory.
Q.1 Choose the correct option/answer the following (Any seven question
only):
For the differential equation, $ (x-1) \frac{d^2y}{dx^2} + \cot(\pi x) \frac{dy}{dx} + ( cosec^2 \pi x)y = 0 $ which of the following statement is true?
Let $ P_n(x) $ be the Legendre polynomial of degree $ n \ge 0 $. Then $ \int_{-1}^{1} P_n(x) dx = 2 $ if n is
$ \int_{0}^{\pi/2} \sqrt{\pi x} J_{1/2}(2x) dx = k $ then k is
The solution of $ p+q=z $ is
The complementary function of $ \frac{\partial^2 z}{\partial x^2} - 4 \frac{\partial^2 z}{\partial x \partial y} + 4 \frac{\partial^2 z}{\partial y^2} = x+y $ is
The transformation $ w = \sin z $ is conformal
The value of $ \int_C \frac{3z^2 + 7z + 1}{z-4} dz $, where C is $ 9x^2 + 4y^2 = 36 $ is
Newton's iterative formula to find the value of $ \sqrt{N} $ is
While applying Simpson's 3/8 rule the number of sub intervals should be
In the geometrical meaning of Euler's algorithm, the curve is approximated as a
Q.2 Solve both questions :
Solve $ y = 2px + y^2 p^3 $.
Solve $ (px-y)(py+x) = a^2 p $.
Q.3 Solve both questions :
Find the solution of the differential equation $ x^2 y'' - 4xy' + 6y = x^4 \cos x $, $ y(\pi)=0, y'(\pi)=1 $.
State and prove the orthogonal property of Legendre polynomial.
Q.4 Solve both questions :
Find the solution of the following partial differential equation: $ (x^2-yz)p + (y^2-zx)q = z^2-xy $
Find the solution of the following partial differential equation: $ 2z + p^2 + qy + 2y^2 = 0 $
Q.5 Solve both questions :
Find the solution of the partial differential equation $ (D - 5D' - 6)z = 6e^{6x} \log(y+5x) $.
Show that the function $ f(z) = \sqrt{|xy|} $ is not analytic at the origin even though C.R. equations are satisfied thereof.
Q.6 Solve both questions :
Find the Taylor series expansion of the function $ f(z) = \sin z $. Also find the values of $ f^{(2n)}(0) $ and $ f^{(2n-1)}(0) $.
Write the statement of Cauchy Integral formula. Hence, evaluate the integral $ \int_C \frac{z-1}{(z+1)^2(z-2)} dz $ where C is the circle $ |z-i|=2 $.
Q.7 Solve both questions :
Find the value of the integral $ \int_{0}^{\infty} \frac{\cos ax - \cos bx}{x^2} dx $ where $ a, b > 0 $.
Discuss the rate of convergence of Bisection method.
Q.8 Solve both questions :
A third degree polynomial passes through the points (0,1), (1, 1), (2, 1) and (3, -2). Find the polynomial.
Evaluate $ \int_{4}^{5/2} \log x \, dx $ by Simpson's 1/3 rule and Simpson's 3/8 rule, by dividing the range into 6 parts.
Q.9 Solve this question :
Using Euler's modified method, find numerical solution of the differential equation $ \frac{dy}{dx} = x + |\sqrt{y}| $ with $ y(0)=1 $ for $ 0 \le x \le 0.6 $, in steps of 0.2.