Rasionalkan ! a. 34 / 3 – √2 b. √3 / 5 + 3√2

Rasionalkan !a. 34 / 3 – √2

b. √3 / 5 + 3√2

Jawaban:

34 / 3 – √2

= 34(3 + √2) / (3 – √2) (3 + √2)

= 102 + 34√2 / 3 – 2

= 102 + 34√2

……

√3 / 5 + 3√2

√3 (5 – 3√2) / (5 – 3√2) (5 + 3√2)

= 5√3 – 3√6 / 25 – 18

= 5√3 – 3√6 / 7

 

 

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