Tolong dibantu MTK!! Tolong​

Jawaban:

4/√2

= 4(√2) / (√2)(√2)

= 4√2/2

= 2√2

…

7/2 + √5

= 7(2 – √5) / (2 + √5)(2 – √5)

= 14 – 7√5 / -1

= -14 + 7√5

…

5/√6 – √3

= 5(√6 + √3) / (√6 – √3)(√6 + √3)

= 5√6 + 5√3 / 6 – 3

= 5√6 + 5√3 / 3

= 5(√6 + √3) / 3