a+1/a=a,then a²+1/a²=?
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Answered by
0
Answer:
Step-by-step explanation:
a+1/a=a
Squaring both sides
(a+1/a)² = a²
a² + 1/a² + 2 = a²
a² + 1/a² = a² -2
Answered by
1
Step-by-step explanation:
given that,
= a
squaring both sides
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