-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #30 from udohjeremiah/dev
Add past question for mth203, wdu
- Loading branch information
Showing
2 changed files
with
271 additions
and
4 deletions.
There are no files selected for viewing
267 changes: 267 additions & 0 deletions
267
src/app/past-questions-archive/wdu/mth/2022_2023/200-level/1st-semester/mth203/page.jsx
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,267 @@ | ||
import Questions from "@/components/Questions"; | ||
import Answers from "@/components/Answers"; | ||
|
||
export default function MTH202() { | ||
return ( | ||
<Questions | ||
school="western delta university" | ||
college="natural and applied sciences" | ||
department="mathematics" | ||
session="2022/2023" | ||
semester="first semester" | ||
courseCode="mth203" | ||
courseTitle="linear algebra I" | ||
allowedTime="2hrs: 30mins" | ||
instruction="answer any THREE (3) questions" | ||
> | ||
<li> | ||
<h4 className="mb-2 font-bold">Question 1</h4> | ||
<ol className="flex list-[lower-alpha] flex-col gap-2"> | ||
<li> | ||
What is a Vector Space?{" "} | ||
<strong className="whitespace-nowrap">(8 marks)</strong> | ||
<Answers questionNumber="1a" /> | ||
</li> | ||
<li> | ||
Give three (3) examples of a vector space{" "} | ||
<strong className="whitespace-nowrap">(6 marks)</strong> | ||
<Answers questionNumber="1b" /> | ||
</li> | ||
<li> | ||
Define the following and give one (1) example in each case: | ||
<ol className="mx-4 list-[lower-roman]"> | ||
<li>Echelon matrix</li> | ||
<li>Orthogonal matrix</li> | ||
<li>Skew-symmetric matrix</li> | ||
</ol> | ||
<strong className="whitespace-nowrap">(9 marks)</strong> | ||
<Answers questionNumber="1c" /> | ||
</li> | ||
</ol> | ||
</li> | ||
|
||
<li> | ||
<h4 className="mb-2 font-bold">Question 2</h4> | ||
<ol className="flex list-[lower-alpha] flex-col gap-2"> | ||
<li> | ||
Reduce the matrix below to echelon form: <br />A ={" "} | ||
<div className="inline-flex"> | ||
<span className="text-7xl">[</span>{" "} | ||
<div className="flex flex-col"> | ||
<div className="flex gap-6"> | ||
<span> -4 </span> | ||
<span>1</span> | ||
<span> -6 </span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span>1</span> | ||
<span>2</span> | ||
<span> -5 </span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span>6</span> | ||
<span>3</span> | ||
<span>4</span> | ||
</div> | ||
</div> | ||
<span className="text-7xl">]</span> | ||
</div>{" "} | ||
<strong className="whitespace-nowrap">(10 marks)</strong> | ||
<Answers questionNumber="2a" /> | ||
</li> | ||
<li> | ||
Let A ={" "} | ||
<div className="inline-flex"> | ||
<span className="text-5xl">(</span>{" "} | ||
<div className="flex flex-col"> | ||
<div className="flex gap-6"> | ||
<span>7</span> | ||
<span>3</span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span>3</span> | ||
<span> -1 </span> | ||
</div> | ||
</div> | ||
<span className="text-5xl">)</span> | ||
</div> | ||
, find an orthogonal matrix P such that D = P<sup>-1</sup>AP is | ||
diagonal <strong className="whitespace-nowrap">(13 marks)</strong> | ||
<Answers questionNumber="2b" /> | ||
</li> | ||
</ol> | ||
</li> | ||
|
||
<li> | ||
<h4 className="mb-2 font-bold">Question 3</h4> | ||
<ol className="flex list-[lower-alpha] flex-col gap-2"> | ||
<li> | ||
Given A ={" "} | ||
<div className="inline-flex"> | ||
<span className="text-7xl">[</span>{" "} | ||
<div className="flex flex-col"> | ||
<div className="flex gap-6"> | ||
<span>1</span> | ||
<span> -1 </span> | ||
<span>1</span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span>2</span> | ||
<span>4</span> | ||
<span>3</span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span>5</span> | ||
<span>6</span> | ||
<span> -2 </span> | ||
</div> | ||
</div> | ||
<span className="text-7xl">]</span> | ||
</div> | ||
, using elementary row operations, reduce A to row echelon form{" "} | ||
<strong className="whitespace-nowrap">(10 marks)</strong> | ||
<Answers questionNumber="3a" /> | ||
</li> | ||
<li> | ||
Given A ={" "} | ||
<div className="inline-flex"> | ||
<span className="text-7xl">[</span>{" "} | ||
<div className="flex flex-col"> | ||
<div className="flex gap-6"> | ||
<span>1</span> | ||
<span>0</span> | ||
<span>2</span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span>2</span> | ||
<span> -1 </span> | ||
<span>3</span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span>4</span> | ||
<span>1</span> | ||
<span>8</span> | ||
</div> | ||
</div> | ||
<span className="text-7xl">]</span> | ||
</div> | ||
, find A<sup>-1</sup> using elementary row operations{" "} | ||
<strong className="whitespace-nowrap">(13 marks)</strong> | ||
<Answers questionNumber="3b" /> | ||
</li> | ||
</ol> | ||
</li> | ||
|
||
<li> | ||
<h4 className="mb-2 font-bold">Question 4</h4> | ||
<ol className="flex list-[lower-alpha] flex-col gap-2"> | ||
<li> | ||
Solve the system, using Gaussian elimination method: | ||
<ol className="mx-4 list-[lower-roman]"> | ||
<li>x + 2y + z = 3</li> | ||
<li>2x + 5y - z = -4</li> | ||
<li>3x + 2y - z = 5</li> | ||
</ol>{" "} | ||
<strong className="whitespace-nowrap">(13 marks)</strong> | ||
<Answers questionNumber="4a" /> | ||
</li> | ||
<li> | ||
Given Y ={" "} | ||
<div className="inline-flex"> | ||
<span className="text-5xl">[</span>{" "} | ||
<div className="flex flex-col"> | ||
<div className="flex gap-6"> | ||
<span> | ||
Y<sub>1</sub> | ||
</span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span> | ||
Y<sub>2</sub> | ||
</span> | ||
</div> | ||
</div> | ||
<span className="text-5xl">]</span> | ||
</div> | ||
and A ={" "} | ||
<div className="inline-flex"> | ||
<span className="text-5xl">[</span>{" "} | ||
<div className="flex flex-col"> | ||
<div className="flex gap-6"> | ||
<span>2</span> | ||
<span>2</span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span>2</span> | ||
<span>0</span> | ||
</div> | ||
</div> | ||
<span className="text-5xl">]</span> | ||
</div> | ||
, find Y<sup>1</sup>AY{" "} | ||
<strong className="whitespace-nowrap">(10 marks)</strong> | ||
<Answers questionNumber="4b" /> | ||
</li> | ||
</ol> | ||
</li> | ||
|
||
<li> | ||
<h4 className="mb-2 font-bold">Question 5</h4> | ||
If A ={" "} | ||
<div className="inline-flex"> | ||
<span className="text-5xl">(</span>{" "} | ||
<div className="flex flex-col"> | ||
<div className="flex gap-6"> | ||
<span>2</span> | ||
<span>2</span> | ||
</div> | ||
<div className="flex gap-6"> | ||
<span>1</span> | ||
<span>3</span> | ||
</div> | ||
</div> | ||
<span className="text-5xl">)</span> | ||
</div> | ||
<ol className="mx-4 list-[lower-roman]"> | ||
<li> | ||
Find all eigen values and corresponding eigenvectors.{" "} | ||
<strong className="whitespace-nowrap">(5 marks)</strong> | ||
<Answers questionNumber="5i" /> | ||
</li> | ||
<li> | ||
Find a non singular matrix P such that D = P<sup>-1</sup>AP is | ||
diagonal and P<sup>-1</sup>{" "} | ||
<strong className="whitespace-nowrap">(10 marks)</strong> | ||
<Answers questionNumber="5ii" /> | ||
</li> | ||
<li> | ||
Find A<sup>6</sup> and F(A), where t<sup>3</sup> - 3t<sup>2</sup> + | ||
7t + 3 <strong className="whitespace-nowrap">(8 marks)</strong> | ||
<Answers questionNumber="5iii" /> | ||
</li> | ||
</ol> | ||
</li> | ||
|
||
<li> | ||
<h4 className="mb-2 font-bold">Question 1</h4> | ||
<ol className="flex list-[lower-alpha] flex-col gap-2"> | ||
<li> | ||
When are vectors linearly dependent?{" "} | ||
<strong className="whitespace-nowrap">(3 marks)</strong> | ||
<Answers questionNumber="6a" /> | ||
</li> | ||
<li> | ||
Determine whether or not U and V are linearly dependent. | ||
<ol className="mx-4 list-[lower-roman]"> | ||
<li>U = (1, -3), V = (-2, 6)</li> | ||
<li>U = (1, 2, -3), V = (4, 5, -6)</li> | ||
<li>U = (2, 4, -8), V = (3, 6, -2)</li> | ||
</ol> | ||
<strong className="whitespace-nowrap">(15 marks)</strong> | ||
<Answers questionNumber="6b" /> | ||
</li> | ||
</ol> | ||
</li> | ||
</Questions> | ||
); | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters