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प्रश्न
If a2 - 3a - 1 = 0 and a ≠ 0, find : `"a" - (1)/"a"`
योग
उत्तर
Dividing the given equation by a we get
`"a" - 3 - (1)/"a"` = 0
⇒ `"a" - (1)/"a"` = 3.
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