Bachelors Level/First Year/First Semester/Science bit/first semester/basic mathematics/syllabus wise questions

Bachelors In Information Technology

Institute of Science and Technology, TU

Basic Mathematics (MTH104)

Year Asked: 2081, syllabus wise question

Application of Definite Integrals
1.
Find the volume of the solid obtained by rotating about the y-axis the region bounded by y=xy = x and y=x2y = x^2. [5]
Application of Derivative
1.
Verify mean value theorem for the function f(x)=x2+3x+1f(x) = x^2 + 3x + 1 in [1,1][-1,1]. [5]
Differentiation
1.
Find the derivative of y=tan1xxy = \dfrac{\tan^{-1} x}{\sqrt{x}} with respect to xx. Find the area of the region bounded by y=xy = -x and x=y2+3yx = y^2 + 3y. [5+5]
2.
Use Newton's method to find 104\sqrt[4]{10} correct to four decimal places. [5]
First Order Differential Equations
1.
What is initial value problem? Find the solution of the initial value problem xdydxy=x2x \dfrac{dy}{dx} - y = x^2, y(2)=5y(2) = 5. Evaluate: limx3x25x+25x2+8x+7\lim_{x \to \infty} \dfrac{3x^2 - 5x + 2}{5x^2 + 8x + 7}. [1+4+5]
Infinite Sequence and Series
1.
Test whether the series n=22n21\sum_{n=2}^{\infty} \dfrac{2}{n^2 - 1} converges or diverges. [5]
Limits and continuity
1.
Explain the meaning limx2f(x)=5\lim_{x \to 2} f(x) = 5. Is it possible for this statement to be true, yet f(2)=3f(2) = 3? Explain. Draw a graph of the function f(x)=x2+4f(x) = x^2 + 4 and find its domain and range. [5+5]
2.
Test whether the function f(x)={x22xx2,x21,x=2f(x) = \begin{cases} \dfrac{x^2 - 2x}{x - 2}, & x \ne 2 \\ 1, & x = 2 \end{cases} is continuous or discontinuous at x=2x = 2. Explain. [5]
Partial Derivatives
1.
Find the partial derivatives fxf_x, fyf_y and fxyf_{xy} of f(x,y)=xy3+x4yf(x,y) = \sqrt{x} y^3 + x^4 y at (4,1)(-4,1). [5]
Techniques of Integrations
1.
Evaluate: 4x2dx\int \sqrt{4 - x^2} \, dx. [5]
2.
Evaluate: 05dxx2\int_0^5 \dfrac{dx}{\sqrt{x - 2}}, if it exists. [5]
3.
Evaluate: 0πxsinxdx\int_0^{\pi} x \sin x \, dx. [5]