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Q. Nos. 33 to 36 carry 6 marks each.
Section - D
Q. Nos. 33 to 36 carry 6 marks each.
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Question : 33
Total: 36
Using properties of determinates prove that:
|
| = a 3 + b 3 + c 3 − 3 a b c
OR
IfA = [
] , then show that A 3 − 4 A 2 − 3 A + 11 I = O . Hence find A − 1
OR
If
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