SPM Mathematics Trial 2021 (Kelantan), Paper 2 (Question 5 & 6)
Question 5:(a) Determine whether the following arguments are valid or invalid. For valid arguments, determine whether it is sound or not sound: (2 marks)Premise 1: All prime numbers are odd numbers Premise 2: 3 is the prime numberConclusion: 3 is an odd number (b) From an implication ” p if and only if q ” for … Read more