Board Paper of Class 12Commerce 2013 Maths All India(SET 1)  Solutions
i. All questions are compulsory.
ii. The question paper consists of 29 questions divided into three sections A, B and C. Section A comprises of 10 questions of one mark each, Section B comprises of 12 questions of four marks each, and Section C comprises of 7 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 requirements of the question.
iv. There is no overall choice. However, internal choice has been provided in 4 questions of four marks each and 2 questions of six marks each. You have to attempt only one of the alternatives in all such questions.
v. Use of calculators is not permitted.
 Question 1
Write the principal value of.
VIEW SOLUTION
 Question 2
Write the value of.
VIEW SOLUTION
 Question 3
For what value of x, is the matrix a skewsymmetric matrix?
VIEW SOLUTION
 Question 4
If matrix and A^{2} = kA, then write the value of k.
VIEW SOLUTION
 Question 5
Write the differential equation representing the family of curves y = mx, where m is an arbitrary constant.
VIEW SOLUTION
 Question 6
If A_{ij} is the cofactor of the element a_{ij} of the determinant, then write the value of a_{32} · A_{32}.
VIEW SOLUTION
 Question 7
P and Q are two points with position vectors respectively. Write the position vector of a point R which divides the line segment PQ in the ratio 2 : 1 externally.
VIEW SOLUTION
 Question 8
Find, if for a unit vector .
VIEW SOLUTION
 Question 9
Find the length of the perpendicular drawn from the origin to the plane 2x − 3y + 6z + 21 = 0.
VIEW SOLUTION
 Question 10
The money to be spent for the welfare of the employees of a firm is proportional to the rate of change of its total revenue (marginal revenue). If the total revenue (in rupees) received from the sale of x units of a product is given by R(x) = 3x^{2} + 36x + 5, find the marginal revenue, when x = 5, and write which value does the question indicate.
VIEW SOLUTION

Board Paper of Class 12Commerce TermII 2022 Math Delhi(Set 1)  Solutions

Board Paper of Class 12Commerce TermII 2022 Math Delhi(Set 2)  Solutions

Board Paper of Class 12Commerce TermII 2022 Math Delhi(Set 3)  Solutions

Board Paper of Class 12Commerce TermI 2021 Math 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 Delhi(Set 3)  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 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