Vector Algebra CBSE Maths 12 Science MCQ Answers in English to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides Vector Algebra CBSE Maths 12 Science MCQ Answers through Video Answers in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Vector Algebra not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Answer in a narrative video format.

** Question:**

** Find the projection of the vector on the vector **

** Answer Video in** **English****:**

You can select video Answers from other languages also. Please check Answers in ( Hindi )

**Question 1** : Find the scalar quantities from the following:

(i) 10 kg (ii) 2 m north-west (iii)

(iv) 40 W (v) (vi) (View Answer Video)

**Question 2** : Find if the vectors and are coplanar. (View Answer Video)

**Question 3** : if a, b, c are unit vectors such that a + b + c = 0, then find the value of a.b + b.c + c.a. (View Answer Video)

**Question 4** : Find the magnitude of two vectors a and b having the same magnitude and such that the angle between them is and their scalar product is 1/2. (View Answer Video)

**Question 5** : Find the value of x and y so that the vectors and are equal. (View Answer Video)

**Question 1** : Find for the function . (View Answer Video)

**Question 2** : Find the second order derivative of the function . (View Answer Video)

**Question 3** : Using the fact that and the differentiation, obtain the sum formula for cosines. (View Answer Video)

**Question 4** : Differentiate the function w.r.t.x . (View Answer Video)

**Question 5** : Differentiate the function w.r.t.x . (View Answer Video)

**Question 1** : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)

**Question 1** : Find the particular solution of the differential equation given that where x = 1. (View Answer Video)

**Question 2** : Find the general solution of the following differential equation :

(View Answer Video)

**Question 3** : Find the sum of the order and the degree of the following differential equation:

(View Answer Video)

**Question 4** : Write the differential equation representing the curve where a is an arbitrary constant. (View Answer Video)

**Question 5** : Solve the differential equation given that y = 1 when x = 1. (View Answer Video)