Question

Write the smallest rationalisation factor of root 243

Answer 1

the smallest rationalising factor will be root 3
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Answer 2

Answer:

To begin with, see that root 243 comes out to be 9$\sqrt{3}$ as it is $3^{5}$. Well, the smallest number by which 9$\sqrt{3}$ can be multiplied to make it a perfect square is $\sqrt{3}$, to remove the square root sign entirely.

Step-by-step explanation: The smallest rationalisation factor is going to be the smallest value which can make the given value a perfect square.