Maths 12 Science CBSE Determinant Solutions for MCQ in Hindi to enable students to get Solutions in a narrative video format for the specific question.

Expert Teacher provides Maths 12 Science CBSE Determinant Solutions for MCQ through Video Solutions in Hindi 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 Determinant not only to explain the proper method of answering question, but deriving right answer too.

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

** Question:**

** Find the value of k, if the area of the triangle is 4 sq unit and vertices are (k, 0) (4, 0) (0, 2). **

** Solution Video in** **Hindi****:**

You can select video Solutions from other languages also. Please check Solutions in ( English )

**Question 1** : Find the equation of the line joining (3, 1) and (9, 3) using determinants. (View Answer Video)

**Question 2** : Points (a,a,c),(1,0,1) and (c,c,b) are collinear if: (View Answer Video)

**Question 3** : Find the adjoint of the matrix . (View Answer Video)

**Question 4** : Which of the following is correct? (View Answer Video)

**Question 5** : Let A be a non-singular square matrix of order 3 * 3. Then | adj A | is equal to: (View Answer Video)

**Question 1** : The normal to the curve passing (1,2) is____________. (View Answer Video)

**Question 2** : A stone is dropped into a quiet lake and waves move in circles at a speed of 4 cm per second. At the instant when the radius of the circular waves is 10 cm, how fast is the enclosed area increasing? (View Answer Video)

**Question 3** : The total revenue (in Rs) 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, where by marginal revenue we mean the rate of change of total revenue with respect to the number of items sold at an instant. (View Answer Video)

**Question 4** : The slope of the tangent to the curve:

at the point (2, -1) is: (View Answer Video)

**Question 5** : The rate of change of the area of a circle with respect to its radius r at r = 6 cm is : (View Answer Video)

**Question 1** : Find the value of z from the equation: . (View Answer Video)

**Question 2** : Find the value of z, from the equation: . (View Answer Video)

**Question 3** : If, find the value of y. (View Answer Video)

**Question 4** : Compute: . (View Answer Video)

**Question 5** : If , write the value of"x". (View Answer Video)