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exercitiul 1 va rog frumos. :)

Exercitiul 1 Va Rog Frumos class=

Răspuns :

[2/(√7-√5)-√5] : √14/6 - (24/2√48-12/√108)×√6=
=[2(√7+√5)/(√7-√5)(√7+√5)-√5] : √14/6 - (24/8√3-12/6√3)×√6=
=[2(√7+√5)/(7-5)-√5] : √14/6 - (3/√3-2/√3)×√6=
=(√7+√5-√5) ×6/√14 - 1/√3 ×√6=
=√7 ×6/√14 - √2=
=6/√2 - √2=
=(6-2)/√2=
=4/√2=
=4√2/2=
=2√2