👤
a fost răspuns

16/√8+1/√27-1/√3-1/√2 =


5/√63-1/√28+2/√112=

Răspuns :

CarMina03
16/√8+1/√27-1/√3-1/√2 =16/2√2+1/3√3-1/√3-1/√2 =8√2/2+√3/9-√3/3-√2/2 =72√2/18+2√3/18-6√3/18-9√2/18 =(63√2-4√3)/18
5/√63-1/√28+2/√112=5/3√7-1/2√7+2/4√7=5*√7/3*7-√7/2*7+2*√7/4*7=5*√7/21-√7/14+2*√7/28=20√7/84-6√7/84+6√7/84=20√7/84=10√7/42=5√7/21












Alte intrebari