Question 1
S1: The sum of two singular n × n matrices may be non-singular S2: The sum of two n × n non-singular matrices may be singular.Which of the following statements is correct?
Question 2
Consider the following relations:
R1(a,b) if (a+b) is even over the set of integers R2(a,b) if (a+b) is odd over the set of integers R3(a,b) if a.b > 0 over the set of non-zero rational numbers R4(a,b) if |a - b| <= 2 over the set of natural numbers
Which of the following statements is correct?
Question 3
Consider two well-formed formulas in prepositional logic.
F1 : P ⇒ ¬P F2 : ( P⇒¬P)∨(¬P⇒P)
Which of the following statements is correct?
Question 6
Question 10
There are 50 questions to complete.