Question

Sederhanakan pecahan2 berikut dengan merasionalkan penyebutnya !
a)
b)

Answer 1

A.
.....3.........(√5 +√2)
---------- × ---------
√5 - √2....( √5 + √2)

3 ( √5 + √2)
=--------------
...( 5 - 2)

3 (√5 + √2)
=------------
.......3
= √5 + √2

b.
√3 + √2....(√3 + √2)
----------×-------------
......4.......(√3 + √2)

3 + 2√6 + 2
=-------------
.......4

..5 + 2√6
=---------
......4