Solved question paper for MATHS-1 May-2023 (B-TECH 1st-2nd)

Solved Question Paper

Engineering mathematics-1 May-2023

PTU • B-TECH • Civil Engineering • 1st-2nd • May-2023

engineering mathematics-1 previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for engineering mathematics-1, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for engineering mathematics-1 syllabus while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.

Solved Questions

Solved
  1. 1(a) If u is a homogenous function of degree n in x,y then prove that ( rac{partial u}{partial x}x+ rac{partial u}{partial y}y=nu)
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  2. 1(b) Evaluate (int_{0}^{infty}int_{0}^{infty} e^{-(x^2+y^2)},dx,dy)
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  3. 1(c) Find length of curve (y=log_{ ext{sec}} x) between (x=0) to (x= rac{pi}{3})
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  4. 1(d) If error committed in measuring sides of square is 2% .Find an error in calculating the area.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  5. 1(e) Define curvature.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  6. 1(f) Find the directional derivative of (x^2y-y^2z-xyz) at point ((1,-1,0)) in direction of (hat{i}+hat{j}+2hat{k})
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  7. 1(g) Prove div (curl v) = 0 where v is differentiable vector field.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  8. 1(h) State Stoke's theorem.
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  9. 1(i) Find the work done by the force (mathbf{F}) in moving a particle from a point P to the point Q where (mathbf{F} = x^2hat{i}+yzhat{j}+zhat{k}). C is the line from ((1,2,2)) to ((3,4,2)).
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  10. 1(j) Find ( rac{dy}{dx}) when (xy+y^x=lpha), where (lpha) is any constant
    Very Short Answer 2 Marks May-2023 • PTU B-TECH
  11. If z = f(x,y), x = rcosθ, y = rsinθ, then show that (∂f/∂x)^2 + (∂f/∂y)^2 = (1/r)(∂f/∂r)^2 + 1/r^2(∂f/∂θ)^2
    Long Answer 8 Marks May-2023 • PTU B-TECH
  12. Find extreme values of f(x,y) = x^3 y^2(1 − x − y)
    Long Answer 8 Marks May-2023 • PTU B-TECH
  13. Find area outside the circle r = 2a cosθ& inside the cardioid r = a(1 + cosθ)
    Long Answer 8 Marks May-2023 • PTU B-TECH
  14. If ρ1 and ρ2 be radii of curvature at extremities of two conjugate diameter of ellipse x^2/a^2 + y^2/b^2 = 1 then prove that (ρ1)^{2/3} + (ρ2)^{2/3} (ab)^{2/3} = a^2 + b^2
    Long Answer 8 Marks May-2023 • PTU B-TECH
  15. Evaluate the surface integral 6 F.ndA over the surface S, where S is the portion of the surface of cylinder x^2 + y^2 = 36, 0  z  4 included in the first octant and F = z^2  i + xy  j − y^2 k
    Long Answer 8 Marks May-2023 • PTU B-TECH
  16. Give physical interpretation of curl.
    Long Answer 8 Marks May-2023 • PTU B-TECH
  17. Find volume of ellipsoid x^2/a^2 + y^2/b^2 + z^2/c^2 = 1
    Long Answer 8 Marks May-2023 • PTU B-TECH
  18. Verify divergence theorem if v = 3x^2 i + 6y^2 j + zk and D is the region bounded by closed cylinder x^2 + y^2 = 16, z = 0 and z = 4.
    Long Answer 8 Marks May-2023 • PTU B-TECH

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01 Where can I find engineering mathematics-1 previous year question papers for Bachelor of Technology, 1st-2nd semester?

This page lists engineering mathematics-1 question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.

02 Are these official Punjab Technical University question papers?

BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.

03 How can previous year engineering mathematics-1 papers help in exam preparation?

Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.

04 What kind of topics does engineering mathematics-1 usually cover?

The question papers here relate to the official engineering mathematics-1 syllabus set by the university for this course and semester.

05 Does this page include a engineering mathematics-1 syllabus or solved answers?

This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.

06 Can I find papers for other subjects in the same Bachelor of Technology?

Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.