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# 12 Science CBSE Answers for MCQ Maths Matrices in English

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

Expert Teacher provides 12 Science CBSE Answers for MCQ Maths Matrices 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 Matrices 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:

Answer Video in English:

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

## Similar Questions from CBSE, 12th Science, Maths, Matrices

Question 1 : Find the value of X, if  and . (View Answer Video)

Question 2 : Compute: . (View Answer Video)

Question 3 : Using elementary transformation, find the inverse of the matrix . (View Answer Video)

Question 4 : Let  Find AB. (View Answer Video)

Question 5 : Let  Find 3A - C. (View Answer Video)

### Three Dimensional Geometry

Question 1 : Find the co-ordinates of the point where the line through the points A (3, 4, 1) and B (5, 1, 6) crosses the XY-plane. (View Answer Video)

Question 2 : Find the vector equation of the plane which is at a distance of 5 units from the origin and normal to the plane is (View Answer Video)

Question 3 : Find the distance of the point (3, 4, 5) from the plane x + y + z = 2 measured parallel to the line 2x = y = z. (View Answer Video)

Question 4 : Find the distance between the point (7, 2, 4) and the plane determined by the points A(2, 5, -3), B(-2, -3, 5) and C(5, 3, -3). (View Answer Video)

Question 5 : If a line makes angleandwith the coordinate axis, then find the value of  (View Answer Video)

### Application of Integrals

Question 1 : Find the area of the smaller part of the circle cut off by the line   (View Answer Video)

Question 2 : Find the area of the given curves and given lines:
and x-axis (View Answer Video)

Question 3 : Given that , for x = 0 to x = 20. Find f(x) and g(x) such that the area between f(x) and from x = 0 to x = 5 be and area between g(x) and from y = 0 to y = 5 be . Is ? Like functions f and g which work is better, team work or individual work? (View Answer Video)

Question 4 : Using the method of integration find the area bounded by the curve |x| + |y| = 1. (View Answer Video)

Question 5 : Find the area of the region in the first quadrant enclosed by x-axis, line  and the circle  (View Answer Video)

### Relations and Functions

Question 1 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)

Question 2 : Consider  given by f(x) = 4x + 3. Find the inverse of f. (View Answer Video)

Question 3 : Functions  are defined respectively, by , find . (View Answer Video)

Question 4 : If  is defined by , write f(f(x)). (View Answer Video)

Question 5 : A function  is bijective if and only if, (View Answer Video)