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Find the Second Term in the Expansion Of (x2−1x)50\left( x ^ { 2 } - \frac { 1 } { x } \right) ^ { 50 }

question 72

Essay

Find the second term in the expansion of (x2−1x)50\left( x ^ { 2 } - \frac { 1 } { x } \right) ^ { 50 }

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