tolong dijawab pake caranya

jawab


10 / ( 5 - √2 ) = 

= 10( 5 + √2)/ (5 - √2)(5 + √2)

= 10 (5 + √2) / (25-4)

= 10/21 (5 + √2)

jawab :

10/5-√2
= 10 / 5 - √2 × 5 + √2 / 5 + √2
= 50 + √2 / 25-2
= 50 + √2 / 23

semoga membantu.....