Class 12 CBSE Applied Maths
Class 12 CBSE Applied Maths aims to develop an understanding of basic mathematical and statistical tools and their
applications in the field of commerce (business/ finance/economics) and social
sciences. Topics covered in Class 12th Applied Maths includes : Numbers, Quantification and
Numerical Applications, Algebra, Calculus, Probability Distributions , Inferential Statistics, Index Numbers and Time-based data , Financial Mathematics , Linear Programming.
Please Select
Q1. If A =
then find 3(A)'
Solution :

Q2. If A=
and B =
find A' + B'
Solution :

Q3. If AT =
and B =
find AT - BT
Solution :

Q4. Let A=
and B =
and verify that
(i) (A)' =A (ii) (3A)' = 3A’ (iii) (A-B)'=A'-B' (iv) (AB)' = B'A’.
Solution :




Q5. If A=
and B =
and verify that
(i) (A')' = A
(ii) (A+B) =A'+ B'
(iii) (kB)' = kB’, where k is any real number.
Solution :



Q6. If A' =
and B =
then find (A + 2B)'
Solution :

Q7. If A =
and B =
verify that (AB)' = B'A'
Solution :


Q8. If A =
and B =
find (BA)'
Solution :

Q9. If A =
is a matrix satisfying AA' = 9I3, find x.
Solution :

Q10. Find the integral value of x if [x 4 -1]
[x 4 -1]t = O.
Solution :
