jtregd

1. Rank of Matrix

  • Echelon Form: rank = no. of non-zero rows

  • Normal Form: reduce to identity matrix (I); rank = no. of 1’s on diagonal

2. Matrix Forms

  • Echelon Form: zeros below pivots

  • Normal Form (RREF): pivots = 1 and only non-zero in column

3. System of Equations

  • Form augmented matrix [A|B], row reduce

  • Consistent if no row like [0 0 0 | b≠0]

  • Unique: rank A = rank [A|B] = no. of vars

  • Infinite: rank A = rank [A|B] < no. of vars

  • No soln: rank A ≠ rank [A|B]

4. Linear

...

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test1

2. Key Case Study Themes

Regulation & Deregulation:
Regulation balances safety and cost. Deregulation in 1978 led to lower fares but also industry consolidation and labor issues. NTSB investigates incidents and recommends safety reforms.

Labor & Infrastructure: Events like the 1981 ATC strike show stress and fatigue in aviation labor. Aviation functions as critical infrastructure—yet worker conditions and support are often strained.

Passenger Rights: Emerging in the 1960s–70s consumer

...

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comp125

1642 - pascal first mechanical calculator||1801 - first computing devise (storable, programmable) LOOM by jacquard ||1823 - Charles Babbage extended the ideas of Pascal,largest and most sophisticated mechanical calculator of its time, called the Difference Engine|| Charles Babbage, Analytical Machine - 7 feet high, 11 feet wide!5 tons! , 1830s, 110 years before the first computer. Mill – to perform arithmetic computation, Store – hold the data, Operator – process the results on punch cards,

...

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Lengua temas 8y9

Tema 8

Tras la muerte de Franco en 1975 y la llegada de la democracia, España vivió una transformación que afectó profundamente a la literatura. Con el fin de la censura, pudieron publicarse novelas prohibidas, recuperarse obras del exilio y emerger nuevas voces. Además, los medios y editoriales crecieron, se multiplicaron los premios literarios y apareció un amplio público lector, lo que convirtió a la novela en el género principal de finales del siglo XX.

En ese contexto, convivieron

...

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Ascol

Define Data structure. Explain ADT with example.

A data structure is a specialized format for organizing, processing, and storing data in a computer so that it can be accessed and modified efficiently. Data structures are essential for managing large amounts of data and are fundamental to computer science and programming. They provide a way to manage data in a way that enables efficient algorithms to operate on that data.

Abstract Data Type (ADT)

An Abstract Data Type (ADT) is a theoretical concept

...

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Programs

1. #include <stdio.h> 
int stringLength(char str[]) 

 int length = 0;
 while (str[length] != '\0') 
 { 
 length++;
 } 
 return length;

void stringConcatenate(char str1[], char str2[]) 

 int i = 0, j = 0;
 while (str1[i] != '\0') 
 { 
 i++;
 } 
 while (str2[j] != '\0') 
 { 
 str1[i] = str2[j];
i++;
 j++;
 } 
 str1[i] = '\0';

int main() 

 char str1[100], str2[100];
 int choice;
printf("Enter the first string: ");
 scanf("%s", str1);
 
 printf("Enter the second string:...

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company law

Advantages of Incorporation

  • Separate Legal Entity

  • Limited Liability

  • Perpetual Succession

  • Transfer of Shares

  • Sue & Be Sued

  • Own Property

  • Professional Management

  • Better Funding Access

Public vs Private Co.

Feature Private Co. Public Co.
Members 2 to 200 Min 7, No Max
Shares Transfer Restricted Freely Transferable
Public Investment Not Allowed Allowed via Prospectus
Directors Min 2 Min 3
Suffix Pvt Ltd Ltd

📍 Classification of Companies

  • By Liability:

...

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ENTRE MOD3 BIT

Q) Key Central Government Institutions Supporting Entrepreneurship 

To promote entrepreneurship and the growth of Micro, Small, and Medium Enterprises (MSMEs), the Central Government of India has established a comprehensive institutional support system.

These institutions provide finance, training, technical assistance, marketing support, and policy guidance to entrepreneurs.

2.1 National Small Industries Corporation (NSIC)

A Government of India enterprise under the Ministry of MSME.

Services Offered:

...

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ENTRE

MOD-4 1. Project Evaluation (2 Marks)

Project evaluation is a systematic assessment of a project’s relevance, design, implementation, and outcomes.

It is carried out to determine the effectiveness, efficiency, impact, and sustainability of a project, and to draw lessons for future planning.

It helps in:

Measuring performance

Ensuring accountability

Enhancing learning for future projects

2. Objectives of Project Evaluation (1 Mark)

To assess whether the project has met its intended goals and objectives

...

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