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प्रश्न
If `"m" -1/"m"=5`, find : `"m"^2+1/"m"^2`
बेरीज
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उत्तर
`"m"^2+1/"m"^2=("m"-1/"m")^2+2`
= (5)2 + 2
= 25 + 2
= 27
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