Răspuns :
√3/√3+2
Amplifici cu √3-2 si obtii
√3(√3-2)/(√3+2)(√3-2)
3-2√3/3-4
3-2√3/-1
-(3-2√3)
-3+2√3
Amplifici cu √3-2 si obtii
√3(√3-2)/(√3+2)(√3-2)
3-2√3/3-4
3-2√3/-1
-(3-2√3)
-3+2√3
√3/(√3 + 2) = amplificam cu (√3 - 2) folosind formula (a - b)(a + b) = a² - b²
= √3(√3-2)/(√3+2)(√3-2)
= (3 - 2√3)/(3-4)
= (3 - 2√3)/(-1)
= 2√3 - 3
= √3(√3-2)/(√3+2)(√3-2)
= (3 - 2√3)/(3-4)
= (3 - 2√3)/(-1)
= 2√3 - 3