1.

Find the sumof the following: (1- (1)/(n) ) + (1- (2)/(n) ) + (1- (3)/(n) ) + …..... upto n terms.

Answer»


ANSWER :`= N - (1)/(2) - (n)/(2) = (n)/(2) - (1)/(2) = (n-1)/(2)`.


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