If a^2-a-1=0, find the value of a+1/a.
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Answer:
Answer is "a".
Step-by-step explanation:
Given
a^2-a-1=0
a^2=a+1 .. (eq1)
To find
a+1/a = ?
since a+1=a^2 (from eq1)
therefore,
a+1/a=a^2/a=a
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