Question

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Answer 1

Answer:

Step-by-step explanation:

4)LCM of 10,20,30 is 20*3=60

5) HCF of 2^3*3^3*5^2

                2^2*3*5^3........is 2^2*3*5^2...

6)㏒ properties...log a to the base x..

7)A∩B ={4,5}

8) and the ratio is √3/1