Question

Find the rationalising factor of root 7+root 2​

Answer 1

The rationalising factor for $\sqrt{7} + \sqrt{2}$ is $\sqrt{7} - \sqrt{2}$ .

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Answer 2

hence rationalizing factor of √7 + √2 is √7 -√2

Definition of Rationalizing factor ;

                      it is a term with which a term is multiplied or divided to make the whole term rational.

ex; 15-√3 is 15 +√3

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