Board Paper of Class 12Commerce 2019 Math Delhi(Set 3)  Solutions
General Instructions:
(i) All questions are compulsory.
(ii) This question paper contains 29 questions divided into four sections A, B, C and D. Section A comprises of 4 questions of one mark each, Section B comprises of 8 questions of two marks each, Section C comprises of 11 questions of four marks each and Section D comprises of 6 questions of six marks each.
(iii) All questions in Section A are to be answered in one word, one sentence or as per the exact requirement of the question.
(iv) There is no overall choice. However, internal choice has been provided in 1 question of Section A, 3 questions of Section B, 3 questions of Section C and 3 questions of Section D. You have to attempt only one of the alternatives in all such questions.
(v) Use of calculators is not permitted. You may ask logarithmic tables, if required.
 Question 1
If $3\mathrm{A}\mathrm{B}=\left[\begin{array}{cc}5& 0\\ 1& 1\end{array}\right]\mathrm{and}\mathrm{B}=\left[\begin{array}{cc}4& 3\\ 2& 5\end{array}\right]$, then find the matrix A. VIEW SOLUTION
 Question 2
Write the order and the degree of the following differential equation:
${x}^{3}{\left(\frac{{d}^{2}y}{d{x}^{2}}\right)}^{2}+x{\left(\frac{dy}{dx}\right)}^{4}=0$
VIEW SOLUTION
 Question 3
If f(x) = x + 1, find $\frac{d}{dx}\left(fof\right)\left(x\right)$. VIEW SOLUTION
 Question 4
If a line makes angles 90°, 135°, 45° with the x, y and z axes respectively, find its direction cosines.
OR
Find the vector equation of the line which passes through the point (3, 4, 5) and is parallel to the vector $2\hat{i}+2\hat{j}3\hat{k}$. VIEW SOLUTION

Board Paper of Class 12 Math TermI 2021 Delhi(Set 4)  Solutions

Board Paper of Class 12Commerce 2020 Math Delhi(Set 1)  Solutions

Board Paper of Class 12Commerce 2020 Math Delhi(Set 2)  Solutions

Board Paper of Class 12Commerce 2020 Math Delhi(Set 3)  Solutions

Board Paper of Class 12Commerce 2019 Math Delhi(Set 1)  Solutions

Board Paper of Class 12Commerce 2019 Math Delhi(Set 2)  Solutions

Board Paper of Class 12Commerce 2019 Math Abroad(Set 3)  Solutions

Board Paper of Class 12Commerce 2018 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2018 Maths Delhi(SET 2)  Solutions

Board Paper of Class 12Commerce 2018 Maths Delhi(SET 3)  Solutions

Board Paper of Class 12Commerce 2018 Maths  Solutions

Board Paper of Class 12Commerce 2018 Maths  Solutions

Board Paper of Class 12Commerce 2017 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2017 Maths Delhi(SET 2)  Solutions

Board Paper of Class 12Commerce 2017 Maths Delhi(SET 3)  Solutions

Board Paper of Class 12Commerce 2017 Maths All India(SET 1)  Solutions

Board Paper of Class 12Commerce 2017 Maths All India(SET 3)  Solutions

Board Paper of Class 12Commerce 2017 Maths Abroad(SET 3)  Solutions

Board Paper of Class 12Commerce 2016 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2016 Maths Delhi(SET 2)  Solutions

Board Paper of Class 12Commerce 2016 Maths Delhi(SET 3)  Solutions

Board Paper of Class 12Commerce 2016 Maths All India(SET 2)  Solutions

Board Paper of Class 12Commerce 2016 Maths Abroad(SET 2)  Solutions

Board Paper of Class 12Commerce 2015 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2015 Maths Delhi(SET 2)  Solutions

Board Paper of Class 12Commerce 2015 Maths Delhi(SET 3)  Solutions

Board Paper of Class 12Commerce 2015 Maths All India(SET 2)  Solutions

Board Paper of Class 12Commerce 2015 Maths Abroad(SET 2)  Solutions

Board Paper of Class 12Commerce 2014 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2014 Maths All India(SET 1)  Solutions

Board Paper of Class 12Commerce 2014 Maths Delhi(SET 2)  Solutions

Board Paper of Class 12Commerce 2014 Maths Abroad(SET 1)  Solutions

Board Paper of Class 12Commerce 2014 Maths Delhi(SET 3)  Solutions

Board Paper of Class 12Commerce 2013 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2013 Maths Delhi(SET 2)  Solutions

Board Paper of Class 12Commerce 2013 Maths Delhi(SET 3)  Solutions

Board Paper of Class 12Commerce 2013 Maths All India(SET 1)  Solutions

Board Paper of Class 12Commerce 2013 Maths All India(SET 2)  Solutions

Board Paper of Class 12Commerce 2012 Maths Delhi(SET 2)  Solutions

Board Paper of Class 12Commerce 2012 Maths Delhi(SET 3)  Solutions

Board Paper of Class 12Commerce 2012 Maths All India(SET 3)  Solutions

Board Paper of Class 12Commerce 2011 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2011 Maths Abroad(SET 2)  Solutions

Board Paper of Class 12Commerce 2011 Maths Delhi(SET 3)  Solutions

Board Paper of Class 12Commerce 2010 Maths Delhi(SET 2)  Solutions

Board Paper of Class 12Commerce 2010 Maths All India(SET 2)  Solutions

Board Paper of Class 12Commerce 2008 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2007 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2006 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2005 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2005 Maths All India(SET 1)  Solutions

Board Paper of Class 12Commerce 2004 Maths Delhi(SET 1)  Solutions

Board Paper of Class 12Commerce 2004 Maths All India(SET 1)  Solutions