If two positive integers p and q can be expressed as

p = ab 2 and q = a 3 b; a, b being prime numbers, then LCM (p, q) is

(A)ab              (B) a 2 b 2

(C) a 3 b 2          (D) a 3 b 3

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  1. Chapter 1 Class 10 Real Numbers (Term 1)
  2. Serial order wise

Transcript

Question 9 If two positive integers p and q can be expressed as p = ab2 and q = a3 b; a, b being prime numbers, then LCM (p, q) is ab (B) a2b2 (C) a3b2 (D) a3b3 Finding LCM of p and q LCM = a . a . a . b . b = a3b2 So, correct answer is (C)

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.