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NCERT Class 12- Mathematics: Exemplar Chapter β 3 Matrices Part 15
Question 40:
If then find . Hence, obtain
Answer:
We have,
Now,
[Using Eq. (i) and (ii) ]
Question 41:
Find the values of and , if
Answer:
We have,
And
Question 42:
Find the matrix A such that
Answer:
We have,
From the given equation, order of A should be
Let
By equality of matrices, we get
And
Question 43:
If find ,
Answer:
We have,