a)3/√5=(3√5)/5 =³/₅√5
b)-2/√7=(-2√7)/7=-²/₇√7
c)(2√2)/√3=(2√2·√3)/3 =(2√6)/3=⅔√6
d)-2/(3√6)=(-2·√6)/(3·6) = (-2√6)/18 =-√6/9=-¹/₉ √6
e)(-3√10)/5√2 =(-3√10·√2)/(5·2)=(-3√20)/10 =(-6√5)/10 =(-3√5)/5 =-³/₅√5
f)(-2√5)/3√10=(-2√5·√10)/(3·10)=(-2√50)/30 =(-√25·√2)/15 =(-5√2)/15 =-√2/3 =-⅓√2
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a)3/√5=(3√5)/5 =³/₅√5
b)-2/√7=(-2√7)/7=-²/₇√7
c)(2√2)/√3=(2√2·√3)/3 =(2√6)/3=⅔√6
d)-2/(3√6)=(-2·√6)/(3·6) = (-2√6)/18 =-√6/9=-¹/₉ √6
e)(-3√10)/5√2 =(-3√10·√2)/(5·2)=(-3√20)/10 =(-6√5)/10 =(-3√5)/5 =-³/₅√5
f)(-2√5)/3√10=(-2√5·√10)/(3·10)=(-2√50)/30 =(-√25·√2)/15 =(-5√2)/15 =-√2/3 =-⅓√2