Determine the lowest common multiple (LCM) of the following three terms: 2p2 ,6pq4 ,4p2.Answer:The multiples of p are: p, p2The multiples of q are: q, q2 , q3 , q4The multiples of 2 are: 2, 4, 6, 8, 10, 12The multiples of 4 are: 4, 8, 12The multiples of 6 are: 6, 12Therefore, the LCM of 2p2 ,6pq4 ,4p2 is 12p2q4[1] 12p2q4[2] 6p2 q 4[3] 6p4q2[4] 12p2q2Question 7c [4]Determine the lowest common multiple (LCM) of the following three terms: 3a; 6b2 ;7a3b.Answer:The multiples of a are: a, a2 , a3The multiples of b are: b, b2The multiples of 3 are: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42The multiples of 6 are: 6, 12, 18, 24, 30, 36, 42The multiples of 7 are: 7, 14, 21, 28, 35, 42Therefore, the LCM of 3a; 6b2 ;7a3b is 42a3b2[1] 42ab