NCERT Solutions for Class 12 Help.html Mathematics Part I Chapter 4 Determinants

Determinants Here is the CBSE Help.html Chapter 4 for Class 12 students. Summary and detailed explanation of the lesson, including the definitions of difficult words. All of the exercises and questions and answers from the lesson's back end have been completed. NCERT Solutions for Class 12 Help.html Determinants Chapter 4 NCERT Solutions for Class 12 Help.html Determinants Chapter 4 The following is a summary in Hindi and English for the academic year 2025-26. You can save these solutions to your computer or use the Class 12 Help.html.

Question 1

Wired Faculty App

Evaluates :
$open vertical bar table row cell straight a plus ib end cell cell straight c plus id end cell row cell negative straight c plus ic end cell cell straight a minus ib end cell end table close vertical bar$

Solution

open vertical bar table row cell straight a plus ib end cell cell straight c plus id end cell row cell negative straight c plus ic end cell cell straight a minus ib end cell end table close vertical bar space equals space left parenthesis straight a plus ib right parenthesis left parenthesis straight a minus ib right parenthesis minus left parenthesis straight c plus id right parenthesis left parenthesis straight c minus id right parenthesis space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space left parenthesis straight a squared minus straight i squared straight b squared right parenthesis minus left parenthesis straight i squared space straight d to the power of 2 space space end exponent minus straight c squared right parenthesis space space space space space space space space space space space space space space space space space space space space space space space space space open square brackets table row because cell straight i squared space equals space minus 1 end cell end table close square brackets space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space left parenthesis straight a squared plus straight b squared right parenthesis space minus left parenthesis negative straight d squared minus straight c squared right parenthesis space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals straight a squared plus straight b squared space plus straight c to the power of 2 space end exponent plus straight d squared space space space space space space space space space space space space

Sponsor Area

For Daily Free Study Material Join wiredfaculty

WhatsApp Group

Download Android App

Ncert Book Download

NCERT Solutions for Class 12 Help.html Mathematics Part I Chapter 4 Determinants

Evaluates :
$open vertical bar table row cell straight a plus ib end cell cell straight c plus id end cell row cell negative straight c plus ic end cell cell straight a minus ib end cell end table close vertical bar$

Evaluate

$open vertical bar table row 2 cell space 4 end cell row cell negative 1 end cell cell space 2 end cell end table close vertical bar$

Evaluate
$open vertical bar table row 2 cell space space space space space space 4 end cell row cell negative 5 end cell cell space space space minus 1 end cell end table close vertical bar$

Evaluate

$open vertical bar table row straight x cell straight x plus 1 end cell row cell straight x minus 1 end cell straight x end table close vertical bar$

Evaluates :
$open vertical bar table row cell 2 space cos space straight theta space space end cell cell negative 2 space sin space straight theta end cell row cell sin space straight theta end cell cell cos space straight theta end cell end table close vertical bar$

Evaluates :

$open vertical bar table row cell sin space 30 degree end cell cell space space cos space 30 degree end cell row cell negative sin space 60 degree end cell cell space cos space 60 degree end cell end table close vertical bar$

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Phone Number

Email Address

Loaction

For Daily Free Study Material Join wiredfaculty

WhatsApp Group

Download Android App

Ncert Book Download

NCERT Solutions for Class 12 Help.html Mathematics Part I Chapter 4 Determinants

Evaluates :

Evaluate

Evaluate

Evaluate

Evaluates :

Evaluate

If A=

Evaluates :

IF , find the values of x.

Find values of x for which

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Evaluates :
$open vertical bar table row cell straight a plus ib end cell cell straight c plus id end cell row cell negative straight c plus ic end cell cell straight a minus ib end cell end table close vertical bar$

Evaluate

$open vertical bar table row 2 cell space 4 end cell row cell negative 1 end cell cell space 2 end cell end table close vertical bar$

Evaluate
$open vertical bar table row 2 cell space space space space space space 4 end cell row cell negative 5 end cell cell space space space minus 1 end cell end table close vertical bar$

Evaluate

$open vertical bar table row straight x cell straight x plus 1 end cell row cell straight x minus 1 end cell straight x end table close vertical bar$

Evaluates :
$open vertical bar table row cell 2 space cos space straight theta space space end cell cell negative 2 space sin space straight theta end cell row cell sin space straight theta end cell cell cos space straight theta end cell end table close vertical bar$

Evaluates :

$open vertical bar table row cell sin space 30 degree end cell cell space space cos space 30 degree end cell row cell negative sin space 60 degree end cell cell space cos space 60 degree end cell end table close vertical bar$