Previous Year Question Paper

BT-102 (GS) – Mathematics-I

June 2024COMMONSEMESTER-1
June 2024
Max Marks: 70
Duration: 3 Hours
Instructions:

Attempt any five questions.

All questions carry equal marks.

Q.1
a)Unit 1

Expand (1+x)ˣ by Maclaurin's Theorem.

b)Unit 1

Find the Maximum value of u=sin x sin y sin(x+y).

Q.2
a)Unit 2

Find the volume of the solid generated by the revolution of the Cardioid r=a(1+cosθ) about the initial line.

b)Unit 2

Prove that ∫₀^∞ cos(x²)dx = ½√(π/2).

Q.3
a)Unit 3

Show that Sequence (xₙ) where |x|<1 converge to 0.

b)Unit 3

Find the Fourier Series for the function f(x)=x sin x, (-π<x<π).

Q.4
a)Unit 5

Show that the following equations are consistent and solve them: x-y+2z=4, 3x+y+4z=6, x+y+z=1.

b)Unit 4

If w₁ and w₂ be two subspace of V(F) then Show that w₁ ∩ w₂ also subspace of V(F).

Q.5
a)Unit 5

Find the Characteristic equation of the matrix and hence find the Eigen values and Eigen vectors.

b)Unit 5

Show that the following matrix A is Diagonalizable.

Q.6
a)Unit 1

Find the Maximum and Minimum value of u=a²x²+b²y²+c²z², where x²+y²+z²=1 and lx+my+nz=0.

b)Unit 3

Find the Fourier Series for the function f(x)=x+x², (-π<x<π).

Q.7
a)Unit 2

Show that the surfaces area of the solid generated by revolution of the loop of the curve x=t², y=t-t³/3 about the x axis is 3π.

b)Unit 5

Investigate for what values of λ and μ the simultaneous equations have solutions.

Q.8
a)Unit 1

Expand log x in power (x-1) by Taylor's theorem and hence find the value log 1.1.

b)Unit 2

Evaluate ∬ xy dx dy where the region of integration is x+y<1 in the positive quadrant.