If you are referring to 1/sqrt7 then you multiply the numerator and denominator by sqrt7 over sqrt7.
1 = (1)sqrt7 = sqrt7
sqrt7 (sqrt7)sqrt(7) 7
Chat with our AI personalities
No, you can also use conjugates with more than one radical term. For example, if the denominator is root(2) + root(3), you can use the conjugate root(2) - root(3) to rationalize the denominator.
98
97
i
36