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# MCQ Answers for CBSE 12 Science Maths Relations and Functions in Hindi

MCQ Answers for CBSE 12 Science Maths Relations and Functions in Hindi to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides MCQ Answers for CBSE 12 Science Maths Relations and Functions through Video Answers 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 Relations and Functions 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.

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## Similar Questions from CBSE, 12th Science, Maths, Relations and Functions

Question 1 : 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 2 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

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

Question 4 :  * is a binary operation on Z such that: a * b = a + b + ab. The solution of (3* 4) *x = – 1 is,

Question 5 : Functions are defined respectively, by , find (View Answer Video)

### Matrices

Question 1 :  Find the value of y, if (View Answer Video)

Question 2 : Find the inverse of the matrix, . (View Answer Video)

Question 3 : Compute: . (View Answer Video)

Question 4 : If, find the value of y.  (View Answer Video)

Question 5 : Find the value of Y, if and . (View Answer Video)

### Determinant

Question 1 : Let A be square matrix of order 3 * 3, then |kA|is equal to (View Answer Video)

Question 3 :  Using the properties of determinants, evaluate . (View Answer Video)
Question 4 : Find the adjoint  of the matrix . (View Answer Video)
Question 5 : Evaluate the determinant: . (View Answer Video)