what is the greatest common factor of 12a and 9a²?\n○ 9\n○ 36\n○ 3a\n○ 12a²
what is the greatest common factor of 12a and 9a²?\n○ 9\n○ 36\n○ 3a\n○ 12a²
Answer
Explanation:
Step1: Factorize 12a
Factorize (12a) into prime factors: (12a = 2\times2\times3\times a).
Step2: Factorize 9(a^2)
Factorize (9a^2) into prime factors: (9a^2 = 3\times3\times a\times a).
Step3: Identify common factors
The common prime factors are (3) and (a). Multiply them to get the greatest common factor: (3\times a = 3a).
Answer:
3a (the option with "3a")