Matrices and Determinants-Types of Matrices [BITSAT (Birla Institute of Technology & Science Admission Test) Mathematics]: Questions 1 - 3 of 3
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Question 1
Question MCQ▾
If is symmetric and then is –
Choices
Choice (4) | Response | |
---|---|---|
a. | Diagonal | |
b. | Skew – symmetric | |
c. | Symmetric | |
d. | Both a. and c. are correct |
Question 2
Question MCQ▾
A square matrix is called a diagonal matrix if for,
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 3
Question MCQ▾
If inverse of a diagonal matrix is –
Choices
Choice (4) | Response | |
---|---|---|
a. | Skew – symmetric | |
b. | Symmetric | |
c. | Diagonal | |
d. | Question does not provide sufficient data or is vague |