Surds

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Please could some one show me how to answer these surds questions? Please write the workings out and answers.

1) Write 6/√8 in the form d√e when d is rational and e is an integer.

2) Express (2-√60)² over 80 in the form b+c√15 where b and e are integers.

ps. / and over mean divide!

Thanks!

Posted: 20-10-12 12:29 by Hannah