Math, asked by debabratadon, 1 year ago

please solve in details

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Answered by KRIT111

1

(X1-X~)+(X2-X~)+(X3-X~)+--------------(X100-X~)

= (X1+X1+X3+- - - - - - X100)- (X~+X~+X~+ - - - - 100times)

=X~. -100X~

=-99X~

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