Question

racionalize :
a) 10|√3
b) 4|2√2
c) 4|2+√2
d) 7|5-√3

por favor, preciso para agora

Answer 1

a) 10|√3  =

10/√3  x √3/√3 =

10√3/√9 =

10√3/3

b) 4|2√2  =

2/√2 =

2/√2 x √2/√2 =

2√2/√4 =

2√2/2 =

√2

c) 4|2+√2 =

4|2+√2 x 2+√2/2+√2 =

4(2+√2)/(2+√2)(2+√2)

(8+4√2)/(4+2√2+2√2+√4) =

(8+4√2)/(8+4√2) =

1