Объяснение:
1/(√5+3)=(√5-3)/((√5+3)(√5-3))=
=(√5-3)/((√5)²-3²)=(√5-3)/(5-9)=
=(√5-3)/(-4)= - (√5-3)/4
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Verified answer
Объяснение:
1/(√5+3)=(√5-3)/((√5+3)(√5-3))=
=(√5-3)/((√5)²-3²)=(√5-3)/(5-9)=
=(√5-3)/(-4)= - (√5-3)/4