plz help me urgently
Attachments:
Answers
Answered by
3
x-1/x=√5
(x-1/x)^3=x^3-1/x^3-3(x-1/x)
(√5)^3=x^3-1/x^3-3*√5
5√5=x^3-1/x^3-3√5
5√5+3√5=x^3-1/x^3
8√5=x^3-1/x^3
Similar questions
Math,
7 months ago
Math,
7 months ago
Geography,
7 months ago
Science,
1 year ago
Social Sciences,
1 year ago