Question

which of the following number are cubes of rational numbers also,find the rational no=343/729

Answer 1

Answer:

Step-by-step explanation:

Hope it will help you!

343/729 is cube of a rational number because the cube root of 343 is 7 and the cube root of 729 is 9.

So,343/729=7/9

And 7/9 is a rational number.

Answer 2

Step-by-step explanation: Hope it will help you! 343/729 is cube of a rational number because the cube root of 343 is 7 and the cube root of 729 is 9