1.

Which of the following statements are true? 1. LCM of 10a^(2)b, 15abc, 20a^(2)b^(2)c^(2) is 20a^(2)b^(2)c^(2) 2. HCF of (6x^(2)-7x-3) and (2x^(2)+11x-21) is 2x-3. 3. HCF of (6x^(2)-7x-3) and (2x^(2)+11x-21) is 2x-3.

Answer»

1,2,3
1,2
1,3
2,3

Answer :D


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