NCERT Class 12-Mathematics: Exemplar Chapter –4 Determinants Part 12
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Question 27:
The determinant equals
(A)
(B)
(C)
(D) None of these
Answer: (D)
Question 28:
The number of distinct real roots of in the interval is
(A)
(B)
(C)
(D)
Answer: (C)
Question 29:
If A, B and C are angles of a triangle, then the determinant is equal to
(A)
(B)
(C)
(D) None of these
Answer: (A)
Question 30:
is equal to
(A)
(B)
(C)
(D)
Answer: (A)
Question 31:
The maximum value of is ( is real number)
(A)
(B)
(C)
(D)
Answer: (A)
Question 32:
If
(A)
(B)
(C)
(D)
Answer: (C)
Question 33:
If then exists if
(A)
(B)
(C)
(D) None of these
Answer: (D)
Question 34:
If A and B are invertible matrices, then which of the following is not correct?
(A)
(B)
(C)
(D)
Answer: (D)