Respuesta :

lizeeefranzo

Multiply the top and bottom by (3√(7)+√(3)).

This will give you (9√(21)+9)/60.

Then take out a 3, giving you (3(3√(21)+3))/(3*20).

Finally, the 3s cancel out and leave you with (3√(21)+3)/20 as your answer.

ANSWER: (3√(21)+3)/20

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