If a²+1/a²=23,find the value of (a+1/a)?
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Answered by
8
Answer:
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Answered by
3
Answer:
5
Step-by-step explanation:
we know that,
(a + 1/a)^2 = a^2 + 1/a^2 + 2
(a + 1/a)^2 = 23 + 2
(a + 1/a)^2 = 25
(a + 1/a) = 5
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