Math, asked by rangilthakur71, 5 hours ago

$if \: x + \frac { 1 } { x } = a , \: prove \: that \: x ^ { 3 } + \frac { 1 } { x ^ { 3 } } = a ( a ^ { 2 } - 3 )$
Chapter - Expansion

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Answered by krishpmlak

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