ans fast...plzzz......
Attachments:
Answers
Answered by
1
a^2 - 5a + 1 = 0
a^2 + 1 = 5a
a + 1/a = 5
a^2 + 1/a^2 = 5^2 - 2 = 23
a^2 + 1 = 5a
a + 1/a = 5
a^2 + 1/a^2 = 5^2 - 2 = 23
Similar questions