Matrices and Determinants 3 Question 3
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4. If , then the matrix when , is equal to
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####4. If
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed
(2019 Main, 9 Jan I)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 4. (c)
Solution:
- We have,
and
Note that,
Now,
=
=
Also,