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SECTION - D
This section comprises Long Answer type questions (LA) of 5 marks each.
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Question : 32
Total: 38
(a) If A = [
] , B = [
] , then find A B and use it to solve the following system of equations :
x − 2 y = 3
2 x − y − z = 2
− 2 y + z = 3
OR
(b) Iff ( α ) = [
] , prove that f ( α ) ⋅ f ( − β ) = f ( α − β )
OR
(b) If
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