Объяснение:
1.
7/√14= 7√14/(√14•√14)=(7√14)/14=√14/2
2.
2/(√11-3)=2•(√11+3)/((√11-3)(√11+3))=
=(2√11+6)/((√11)²-3²)=(2√11+6)/(11-9)=
(2√11+6)/2=√11+3
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Verified answer
Объяснение:
1.
7/√14= 7√14/(√14•√14)=(7√14)/14=√14/2
2.
2/(√11-3)=2•(√11+3)/((√11-3)(√11+3))=
=(2√11+6)/((√11)²-3²)=(2√11+6)/(11-9)=
(2√11+6)/2=√11+3