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NDA || Mathematics || Matrices || Quiz

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Question 1

, . If AB = C, then what is A2 equal to?

Question 2

If the maximum number of distinct entries in lower triangular matrix of order n is 16 then find the value of ‘n’.

Question 3

The matrix A has x rows and  columns. The matrix B has y rows and  columns. Both AB and BA exist. What are the values of x and y respectively?

Question 4

 then  is

Question 5

If  then which one of the following is correct?
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Sep 25NDA & Other Exams