Class12 ISC Maths Important Questions Chapter Matrices

Class 12 ISC Maths Matrices Important Questions

Here we provide Class 12 Maths important questions,board questions and predicted questions with Answers for chapter Matrices. These important notes,board questions and predicted questions are based on ISC board curriculum and correspond to the most recent Class 12 Maths syllabus. By practising these Class 12 materials, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 12 Board examinations.

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Board Questions

Important Questions

Matrices Important Questions

Q1 If(A - 2I) (A-3I) = O, where A =

and I =

then find the value of x.

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Q2 If f(x) =

show that f(x) f(y) = f(x + y).

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Q3 If A =

and A - 6A² + 7A + kI = O, then find the value of k and x = 0

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Q4 If [2x 3]

= O, find he value(s) of x.

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Q5 Find x, if [x -5 -1]

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Q6 (i) For what value of x, is the matrix A =

a skew-symmetric matrix?

(ii) If the matrix

is skew-symmetric, find the values of a, b and c.

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Q7 If A, B are square matrices of equal order and B is symmetric, then show that A'BA is also symmetric

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Q8 If A, B are square matrices of equal order and B is a skew-symmetric matrix, then write whether the matrix ABA' is symmetric or skew-symmetric.

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Q9 If A is a square matrix and P is any square matrix of order equal to that of A, prove that P'AP is symmetric or skew-synmetric according as A is symmetric or skew-symmetric.

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