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

Expert Teacher provides CBSE Maths 12 Science Determinant MCQ Solutions through Video Solutions 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 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:**

** Solution Video in** **English****:**

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**Question 1** : Let A be the non- singular square matrix of order , then |adj A| is equal to, (View Answer Video)

**Question 2** : A system of linear equations AX = B is said to be inconsistent, if the system of equations has, (View Answer Video)

**Question 3** : Find the area of the triangle with vertices at the points (2, 7), (1, 1), (10, 8). (View Answer Video)

**Question 4** : Evaluate the determinants:. (View Answer Video)

**Question 5** : Evaluate the determinants:. (View Answer Video)

**Question 1** : A function defined as is, (View Answer Video)

**Question 2** : A function is surjective if and only if , (View Answer Video)

**Question 3** : The number of binary operations which can be defined on the set is, (View Answer Video)

**Question 4** : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N. (View Answer Video)

**Question 5** : Consider given by f(x) = 4x + 3. Find the inverse of f. (View Answer Video)

**Question 1** : The total revenue in rupees received from the sale of x units of a product is given by . The marginal revenue, when x=15 is: (View Answer Video)

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

**Question 3** : Which of the following functions are strictly decreasing on (View Answer Video)

**Question 4** : Ifthen the approximate value of f(3.02) is : (View Answer Video)

**Question 5** : 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 1** : Write the principal value of (View Answer Video)

**Question 2** : If find x. (View Answer Video)

**Question 3** : is equal to : (View Answer Video)

**Question 4** : Write in the simplest form:

(View Answer Video)

**Question 5** : is equal to : (View Answer Video)