Board Paper of Class 12-Science 2019 Math Abroad(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
Find the acute angle between the planes .
ORVIEW SOLUTION
Find the length of the intercept, cut off by the plane 2x + y − z = 5 on the x-axis
- Question 2
If y = log (cos ex) then find . VIEW SOLUTION
- Question 3
A is a square matrix with ∣A∣ = 4. then find the value of ∣A. (adj A)∣. VIEW SOLUTION
- Question 4
Form the differential equation representing the family of curves y = A sin x, by eliminating the arbitrary constant A. VIEW SOLUTION
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Board Paper of Class 12-Science 2019 Math All India(Set 1) - Solutions
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Board Paper of Class 12-Science 2018 Maths Delhi(SET 1) - Solutions
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Board Paper of Class 12-Science 2018 Maths Delhi(SET 2) - Solutions
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Board Paper of Class 12-Science 2018 Maths - Solutions
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Board Paper of Class 12-Science 2018 Maths - Solutions
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Board Paper of Class 12-Science 2017 Maths Delhi(SET 1) - Solutions
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Board Paper of Class 12-Science 2017 Maths All India(SET 1) - Solutions
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Board Paper of Class 12-Science 2017 Maths All India(SET 3) - Solutions
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Board Paper of Class 12-Science 2016 Maths Delhi(SET 2) - Solutions
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Board Paper of Class 12-Science 2016 Maths Delhi(SET 3) - Solutions
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Board Paper of Class 12-Science 2016 Maths All India(SET 2) - Solutions
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Board Paper of Class 12-Science 2016 Maths Abroad(SET 2) - Solutions
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Board Paper of Class 12-Science 2015 Maths Delhi(SET 1) - Solutions
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Board Paper of Class 12-Science 2015 Maths Delhi(SET 2) - Solutions
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Board Paper of Class 12-Science 2015 Maths Delhi(SET 3) - Solutions
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Board Paper of Class 12-Science 2015 Maths All India(SET 2) - Solutions
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Board Paper of Class 12-Science 2014 Maths Delhi(SET 1) - Solutions
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Board Paper of Class 12-Science 2014 Maths Delhi(SET 3) - Solutions
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Board Paper of Class 12-Science 2014 Maths All India(SET 1) - Solutions
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Board Paper of Class 12-Science 2013 Maths Delhi(SET 2) - Solutions
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Board Paper of Class 12-Science 2013 Maths Delhi(SET 3) - Solutions
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Board Paper of Class 12-Science 2013 Maths All India(SET 1) - Solutions
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Board Paper of Class 12-Science 2012 Maths Delhi(SET 2) - Solutions
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Board Paper of Class 12-Science 2010 Maths Delhi(SET 2) - Solutions
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Board Paper of Class 12-Science 2010 Maths All India(SET 2) - Solutions
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Board Paper of Class 12-Science 2008 Maths Delhi(SET 1) - Solutions
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