The expression (""^(10)C(0))^(2)-(""^(...

The expression `(""^(10)C_(0))^(2)-(""^(10)C_(1))^(2)+(""^(10)C_(2))^(2)-……+(""^(10)C_(8))^(2)-(""^(10)C_(9))^(2)+(""^(10)C_(10))^(2)` equals :

`10!`

`(""^(10)C_(5))^(2)`

`""^(_10)C_(5)`

`""^(10)C_(5)`

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