After rationalizing the denominator of 7 by 3 root 3 -2 root 2 we get the denominator as

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Step-by-step explanation:

Given the surd function

To rationalize the function, we will multiply the numerator and denominator of the function by the conjugate of the denominator. The conjugate of the denominator is given as 3√3+2√2

On rationalizing we have;

The denominator of the surd function after rationalizing is 19

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step-by-step explanation: