Board Paper of Class 12-Science 2015 Maths (SET 1) - Solutions
General Instructions :
(i) All questions are compulsory.
(ii) Please check that this Question Paper contains 26 Questions.
(iii) Marks for each question are indicated against it.
(iv) Questions 1 to 6 in Section-A are Very Short Answer Type Questions carrying one mark each.
(v) Questions 7 to 19 in Section-B are Long Answer I Type Questions carrying 4 marks each.
(vi) Questions 20 to 26 in Section-C are Long Answer II Type Questions carrying 6 marks each.
(vii) Please write down the serial number of the Question before attempting it.
* Kindly update your browser if you are unable to view the equations.
(i) All questions are compulsory.
(ii) Please check that this Question Paper contains 26 Questions.
(iii) Marks for each question are indicated against it.
(iv) Questions 1 to 6 in Section-A are Very Short Answer Type Questions carrying one mark each.
(v) Questions 7 to 19 in Section-B are Long Answer I Type Questions carrying 4 marks each.
(vi) Questions 20 to 26 in Section-C are Long Answer II Type Questions carrying 6 marks each.
(vii) Please write down the serial number of the Question before attempting it.
* Kindly update your browser if you are unable to view the equations.
- Question 1
If then find the projection of . VIEW SOLUTION
- Question 2
Find λ, if the vectors are coplanar. VIEW SOLUTION
- Question 3
If a line makes angles 90°, 60° and θ with x, y and z-axis respectively, where θ is acute, then find θ. VIEW SOLUTION
- Question 4
Write the element a23 of a 3 ✕ 3 matrix A = (aij) whose elements aij are given by VIEW SOLUTION
- Question 5
Find the differential equation representing the family of curves + B, where A and B are arbitrary constants. VIEW SOLUTION
- Question 6
Find the integrating factor of the differential equation
. VIEW SOLUTION
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